year      msl_ib(mm) #version_2012_rel2
1992.9595   -3.326
1992.9866   -6.494
1993.0138   -9.799
1993.0409  -13.723
1993.0681  -13.451
1993.0952  -11.239
1993.1223   -5.670
1993.1495   -5.605
1993.1766  -11.402
1993.2038  -10.731
1993.2309   -6.651
1993.2852   -3.661
1993.3124   -2.509
1993.3395   -9.011
1993.3667  -12.035
1993.3938  -10.418
1993.4210   -4.811
1993.4481   -2.413
1993.4753   -4.745
1993.5024   -7.690
1993.5296   -7.581
1993.5839   -1.442
1993.6110   -0.170
1993.6382    0.038
1993.6653   -3.573
1993.6925   -3.635
1993.7196   -0.740
1993.7468    6.499
1993.7739    9.363
1993.8010    4.556
1993.8553   -3.313
1993.8825   -0.625
1993.9096    1.715
1993.9368    2.762
1993.9639    3.326
1993.9911   -4.122
1994.0182   -7.058
1994.0454   -2.361
1994.0725    1.163
1994.0997   -3.143
1994.1268  -10.096
1994.1540  -15.476
1994.1811   -6.942
1994.2354    0.382
1994.2626   -1.005
1994.2897   -4.213
1994.3169  -10.229
1994.3440   -9.049
1994.3712   -5.301
1994.3983   -6.392
1994.4255   -5.075
1994.4526   -7.164
1994.5069   -9.468
1994.5340   -2.634
1994.5612    0.749
1994.5883   -0.356
1994.6155   -6.397
1994.6426   -6.280
1994.6698   -4.807
1994.6969    5.002
1994.7241    6.131
1994.7512    2.309
1994.7784    0.564
1994.8055   -0.059
1994.8327   -1.432
1994.8870    2.165
1994.9141   -5.622
1994.9413   -5.259
1994.9684   -4.569
1994.9956   -0.327
1995.0227    2.278
1995.0499    1.835
1995.0770    1.898
1995.1042   -7.155
1995.1313  -13.549
1995.1585   -5.017
1995.2128    4.015
1995.2399   -5.204
1995.2670   -8.448
1995.2942  -10.569
1995.3213   -5.295
1995.3756   -4.435
1995.4028   -4.327
1995.4299   -6.008
1995.4571   -8.315
1995.4842   -5.896
1995.5657   -2.839
1995.5928   -5.996
1995.6200   -5.675
1995.6471   -1.726
1995.6743    5.409
1995.7014    7.569
1995.7286    7.705
1995.7557    0.734
1995.7829   -1.194
1995.8372    5.240
1995.8643    6.602
1995.8915    4.229
1995.9458   -4.853
1995.9729    4.412
1996.0000    2.897
1996.0272   -2.107
1996.0543   -6.765
1996.0815  -10.617
1996.1086   -8.254
1996.1629    3.581
1996.1901   -1.988
1996.2172   -3.962
1996.2444   -6.631
1996.2715   -7.412
1996.2987   -2.122
1996.3258    1.978
1996.3530   -0.027
1996.3801   -4.229
1996.4073   -5.597
1996.4344   -3.572
1996.4887    5.301
1996.5159    3.460
1996.5430    1.709
1996.5702    0.731
1996.5973    2.399
1996.6245    4.274
1996.6516    6.864
1996.6788    6.195
1996.7059    3.708
1996.7330    1.865
1996.7602    3.608
1996.8145    7.200
1996.8416   10.216
1996.8688    6.048
1996.8959    0.144
1996.9231    2.725
1996.9502    7.163
1996.9774    5.474
1997.0045    2.285
1997.0317   -2.491
1997.0588   -8.278
1997.0860   -2.188
1997.1403    1.351
1997.1674   -1.274
1997.1946   -5.459
1997.2217   -5.495
1997.2489   -0.728
1997.2760    4.870
1997.3032    1.419
1997.3303   -0.362
1997.3575    2.578
1997.3846   -3.329
1997.4118    2.960
1997.4660    9.240
1997.4932    8.345
1997.5203    5.755
1997.5475    6.642
1997.5746   10.806
1997.6289   14.170
1997.6561   16.187
1997.6832   13.365
1997.7104   13.138
1997.7375   20.297
1997.7918   22.590
1997.8190   19.576
1997.8461   16.204
1997.8733   12.298
1997.9004   14.649
1997.9276   18.804
1997.9547   14.289
1997.9819   11.968
1998.0090    3.997
1998.0362    6.618
1998.0905   12.770
1998.1176   12.045
1998.1448    8.055
1998.1719    3.244
1998.1990    6.128
1998.2262    8.874
1998.2533   15.209
1998.2805   15.792
1998.3076    9.032
1998.3348    8.496
1998.3619    5.294
1998.4162    9.093
1998.4434   10.304
1998.4705    5.819
1998.4977    3.794
1998.5248    4.795
1998.5520    6.850
1998.6063    9.049
1998.6334    6.361
1998.6606    8.104
1998.6877    9.705
1998.7149   14.368
1998.7420   17.737
1998.7692   18.040
1998.8235   11.526
1998.8506   11.810
1998.8777   18.047
1998.9049   12.387
1998.9320   20.604
1998.9592   12.602
1998.9863    6.311
1999.0135    7.577
1999.0406   13.343
1999.0949    7.955
1999.1492    3.766
1999.1764    7.247
1999.2035    9.534
1999.2307   13.387
1999.2578    9.033
1999.2850    5.084
1999.3393    6.168
1999.3664    9.529
1999.3936    9.193
1999.4207   11.059
1999.4479    4.094
1999.4750    2.376
1999.5022    6.087
1999.5293   13.440
1999.5565   15.621
1999.5836   12.934
1999.6107    7.998
1999.6379   13.235
1999.6922   18.181
1999.7193   22.677
1999.7465   20.433
1999.7736   20.485
1999.8008   16.149
1999.8279   18.785
1999.8551   23.157
1999.8822   21.962
1999.9094   18.038
1999.9637   14.155
1999.9908   17.109
2000.0180   17.710
2000.0451   17.478
2000.0723   14.216
2000.0994    7.224
2000.1266    8.200
2000.1537   14.921
2000.1809   17.183
2000.2080   15.884
2000.2352   16.054
2000.2895    9.356
2000.3166   11.431
2000.3437   12.210
2000.3709   13.774
2000.3980   11.390
2000.4252    7.481
2000.4523    6.003
2000.4795   10.486
2000.5066   13.821
2000.5338   16.472
2000.5881    7.271
2000.6152   14.664
2000.6695   21.143
2000.6967   21.704
2000.7238   23.315
2000.7510   22.325
2000.7781   23.474
2000.8053   25.658
2000.8596   28.170
2000.8867   22.062
2000.9139   20.213
2000.9410   15.784
2000.9682   18.223
2000.9953   22.889
2001.0225   18.152
2001.0767   12.057
2001.1039   15.699
2001.1310   17.399
2001.1582   22.100
2001.1853   21.798
2001.2125   13.720
2001.2396   13.592
2001.2668   15.678
2001.2939   21.631
2001.3211   22.073
2001.3482   18.273
2001.3754   14.904
2001.4025   11.612
2001.4297   13.405
2001.4568   17.204
2001.4840   23.136
2001.5111   24.147
2001.5383   21.510
2001.5654   16.010
2001.5926   22.879
2001.6197   25.159
2001.6469   27.143
2001.6740   27.070
2001.7012   26.482
2001.7283   27.226
2001.7555   30.670
2001.7826   31.213
2001.8097   30.141
2001.8369   32.504
2001.8640   27.928
2001.8912   23.720
2001.9183   23.190
2001.9455   24.213
2001.9726   25.887
2001.9998   25.468
2002.0269   16.924
2002.0541   17.564
2002.0812   24.497
2002.1084   27.029
2002.1355   25.363
2002.1627   20.187
2002.1898   14.467
2002.2170   17.308
2002.2441   19.653
2002.2713   25.859
2002.2984   22.174
2002.3256   21.690
2002.3527   16.505
2002.3799   19.395
2002.4070   22.205
2002.4342   22.485
2002.4613   19.684
2002.4885   23.629
2002.5156   23.435
2002.5427   24.764
2002.5699   29.338
2002.5970   33.846
2002.6242   34.983
2002.6513   29.493
2002.6785   26.927
2002.7056   30.061
2002.7328   36.598
2002.7599   35.224
2002.7871   36.874
2002.8142   37.051
2002.8414   29.247
2002.8685   30.536
2002.8957   37.744
2002.9228   33.424
2002.9500   31.017
2002.9771   27.924
2003.0043   23.933
2003.0314   22.792
2003.0586   30.610
2003.0857   32.512
2003.1129   31.399
2003.1400   20.338
2003.1672   22.425
2003.1943   24.885
2003.2214   28.667
2003.2486   29.216
2003.2757   24.695
2003.3029   23.181
2003.3300   22.568
2003.3572   22.835
2003.3843   26.914
2003.4115   28.082
2003.4386   21.701
2003.4658   22.314
2003.4929   21.348
2003.5201   24.060
2003.5472   30.516
2003.5744   31.078
2003.6015   30.245
2003.6287   25.239
2003.6558   28.292
2003.6830   35.804
2003.7101   36.794
2003.7373   35.902
2003.7644   36.355
2003.7916   32.328
2003.8187   33.088
2003.8459   33.241
2003.8730   35.308
2003.9273   33.221
2003.9544   28.694
2003.9816   25.903
2004.0087   30.112
2004.0359   34.781
2004.0630   33.866
2004.0902   29.226
2004.1173   17.356
2004.1716   27.853
2004.1988   31.212
2004.2259   30.054
2004.2531   27.790
2004.2802   25.141
2004.3074   30.879
2004.3345   25.356
2004.3617   27.274
2004.3888   24.716
2004.4160   23.647
2004.4431   22.575
2004.4703   26.098
2004.4974   33.432
2004.5246   34.851
2004.5517   32.275
2004.5789   29.047
2004.6060   31.281
2004.6332   34.144
2004.6603   37.197
2004.6874   43.075
2004.7146   44.180
2004.7417   35.071
2004.7689   37.054
2004.7960   36.816
2004.8232   38.496
2004.8503   41.155
2004.8775   40.329
2004.9046   33.245
2004.9318   33.120
2004.9589   35.069
2004.9861   42.809
2005.0132   35.330
2005.0404   31.765
2005.0675   31.208
2005.0947   29.799
2005.1218   32.068
2005.1490   35.105
2005.1761   40.560
2005.2033   38.211
2005.2304   26.125
2005.2576   27.034
2005.2847   35.805
2005.3119   32.211
2005.3390   33.742
2005.3662   34.697
2005.3933   31.173
2005.4204   30.204
2005.4476   32.297
2005.4747   37.160
2005.5019   37.732
2005.5290   36.567
2005.5562   33.112
2005.5833   37.561
2005.6105   35.796
2005.6376   38.894
2005.6648   43.819
2005.6919   40.847
2005.7734   42.853
2005.8005   44.350
2005.8277   44.500
2005.8548   45.850
2005.8820   44.120
2005.9091   42.722
2005.9363   40.782
2005.9634   44.186
2005.9906   42.227
2006.0177   34.288
2006.0449   31.484
2006.0720   33.239
2006.0992   34.753
2006.1263   36.630
2006.1534   35.953
2006.1806   36.386
2006.2077   27.598
2006.2349   29.001
2006.2620   33.778
2006.2892   35.713
2006.3163   32.345
2006.3435   30.200
2006.3706   32.913
2006.3978   35.962
2006.4249   34.000
2006.4521   37.602
2006.4792   39.611
2006.5064   37.459
2006.5335   35.585
2006.5607   38.707
2006.5878   42.449
2006.6150   39.793
2006.6421   42.250
2006.6693   42.077
2006.6964   42.255
2006.7236   43.836
2006.7507   46.268
2006.7779   48.702
2006.8050   48.935
2006.8864   44.169
2006.9136   41.416
2006.9407   47.734
2006.9679   43.406
2006.9950   36.891
2007.0222   33.164
2007.0493   30.153
2007.0765   37.575
2007.1036   37.825
2007.1308   35.345
2007.1579   36.643
2007.1851   30.603
2007.2122   31.438
2007.2394   36.720
2007.2665   41.564
2007.2937   38.451
2007.3208   33.766
2007.3480   27.884
2007.3751   33.861
2007.4023   37.868
2007.4294   37.659
2007.4566   36.518
2007.4837   33.981
2007.5109   31.886
2007.5380   34.650
2007.5651   37.247
2007.5923   39.818
2007.6194   41.492
2007.6466   36.037
2007.6737   34.229
2007.7009   39.805
2007.7280   45.336
2007.7552   47.034
2007.7823   44.474
2007.8095   42.087
2007.8366   40.271
2007.8638   45.170
2007.8909   49.296
2007.9181   46.840
2007.9452   43.937
2007.9724   34.634
2007.9995   33.464
2008.0267   37.041
2008.0538   41.978
2008.0810   41.101
2008.1081   32.427
2008.1353   33.137
2008.1624   31.276
2008.1896   36.373
2008.2167   39.180
2008.2439   38.689
2008.2710   35.722
2008.2981   34.314
2008.3253   30.699
2008.3796   43.819
2008.4067   43.177
2008.4339   40.471
2008.4610   39.249
2008.4882   40.796
2008.5153   42.311
2008.5425   44.157
2008.5696   43.208
2008.5968   40.057
2008.6239   42.254
2008.6511   41.152
2008.6782   43.451
2008.7054   44.351
2008.7325   45.231
2008.7868   43.849
2008.8140   44.287
2008.8411   47.914
2008.8683   48.855
2008.8954   46.077
2008.9226   47.816
2008.9497   42.551
2008.9769   39.546
2009.0040   40.641
2009.0311   44.677
2009.0583   46.100
2009.0854   37.907
2009.1126   33.126
2009.1397   39.263
2009.1669   42.081
2009.1940   44.416
2009.2212   42.676
2009.2483   40.059
2009.2755   37.400
2009.3026   39.152
2009.3298   42.956
2009.3569   46.585
2009.3841   40.692
2009.4112   35.961
2009.4384   38.192
2009.4655   40.806
2009.4927   40.818
2009.5198   41.225
2009.5470   43.205
2009.5741   47.060
2009.6013   41.634
2009.6284   44.445
2009.6556   51.857
2009.6827   55.370
2009.7099   55.549
2009.7370   51.799
2009.7642   50.812
2009.7913   52.082
2009.8184   56.429
2009.8456   58.605
2009.8727   52.180
2009.8999   49.600
2009.9270   46.075
2009.9542   47.092
2009.9813   52.725
2010.0085   48.141
2010.0356   44.753
2010.0628   40.093
2010.0899   36.254
2010.1171   43.319
2010.1442   49.357
2010.1714   50.982
2010.1985   41.636
2010.2257   38.793
2010.2528   40.120
2010.2800   43.715
2010.3071   46.286
2010.3343   47.067
2010.3614   42.059
2010.3886   43.295
2010.4157   42.113
2010.4429   47.141
2010.4700   50.160
2010.4971   50.360
2010.5243   46.502
2010.5514   45.836
2010.5786   45.943
2010.6057   47.028
2010.6329   54.026
2010.6600   49.669
2010.6872   48.017
2010.7143   46.822
2010.7415   46.344
2010.7686   49.057
2010.7958   55.607
2010.8229   53.627
2010.8501   49.701
2010.8772   45.763
2010.9044   41.737
2010.9315   47.479
2010.9587   48.121
2010.9858   46.901
2011.0130   42.291
2011.0401   38.973
2011.0673   37.877
2011.0944   41.351
2011.1216   44.219
2011.1487   43.972
2011.1759   37.037
2011.2030   34.359
2011.2301   35.099
2011.2573   40.740
2011.2844   41.857
2011.3116   40.761
2011.3387   36.622
2011.3659   36.063
2011.3930   37.399
2011.4202   41.550
2011.4473   46.207
2011.4745   47.258
2011.5016   40.991
2011.5288   41.404
2011.5559   43.989
2011.5831   48.293
2011.6102   55.935
2011.6374   53.593
2011.6645   52.061
2011.6917   50.897
2011.7188   50.288
2011.7460   54.329
2011.7731   59.663
2011.8003   55.527
2011.8274   49.987
2011.8546   46.933
2011.8817   47.112
2011.9089   55.062
2011.9360   54.911
2011.9631   49.997
2011.9903   47.326
2012.0174   49.276
2012.0446   49.592
2012.0717   53.754
2012.0989   51.871