year      msl_ib_ns(mm) #version_2011_rel2
1992.9595   -4.751
1992.9866   -6.762
1993.0138   -8.999
1993.0409  -11.998
1993.0681  -10.981
1993.0952   -8.221
1993.1223   -2.296
1993.1495   -2.046
1993.1766   -7.794
1993.2038   -7.168
1993.2309   -3.182
1993.2852   -0.381
1993.3124    0.719
1993.3395   -5.802
1993.3667   -8.827
1993.3938   -7.224
1993.4210   -1.683
1993.4481    0.558
1993.4753   -2.065
1993.5024   -5.461
1993.5296   -5.979
1993.5839   -1.596
1993.6110   -1.388
1993.6382   -2.296
1993.6653   -7.006
1993.6925   -8.074
1993.7196   -6.020
1993.7468    0.608
1993.7739    3.138
1993.8010   -1.696
1993.8553   -8.705
1993.8825   -5.190
1993.9096   -1.832
1993.9368    0.352
1993.9639    2.096
1993.9911   -4.206
1994.0182   -6.094
1994.0454   -0.499
1994.0725    3.737
1994.0997   -0.053
1994.1268   -6.680
1994.1540  -11.900
1994.1811   -3.336
1994.2354    3.834
1994.2626    2.344
1994.2897   -0.945
1994.3169   -7.006
1994.3440   -5.840
1994.3712   -2.094
1994.3983   -3.204
1994.4255   -1.965
1994.4526   -4.231
1994.5069   -7.329
1994.5340   -1.153
1994.5612    1.402
1994.5883   -0.680
1994.6155   -7.797
1994.6426   -8.799
1994.6698   -8.414
1994.6969    0.411
1994.7241    0.732
1994.7512   -3.658
1994.7784   -5.687
1994.8055   -6.285
1994.8327   -7.324
1994.8870   -2.243
1994.9141   -8.988
1994.9413   -7.475
1994.9684   -5.606
1994.9956   -0.228
1995.0227    3.402
1995.0499    3.827
1995.0770    4.571
1995.1042   -3.999
1995.1313  -10.096
1995.1585   -1.429
1995.2128    7.551
1995.2399   -1.769
1995.2670   -5.114
1995.2942   -7.310
1995.3213   -2.076
1995.3756   -1.229
1995.4028   -1.147
1995.4299   -2.920
1995.4571   -5.424
1995.4842   -3.345
1995.5657   -2.339
1995.5928   -6.492
1995.6200   -7.259
1995.6471   -4.428
1995.6743    1.630
1995.7014    2.831
1995.7286    2.195
1995.7557   -5.300
1995.7829   -7.463
1995.8372   -0.569
1995.8643    1.458
1995.8915   -0.018
1995.9458   -6.875
1995.9729    3.568
1996.0000    3.174
1996.0272   -0.828
1996.0543   -4.647
1996.0815   -7.851
1996.1086   -5.036
1996.1629    7.178
1996.1901    1.606
1996.2172   -0.441
1996.2444   -3.214
1996.2715   -4.093
1996.2987    1.127
1996.3258    5.193
1996.3530    3.181
1996.3801   -1.025
1996.4073   -2.427
1996.4344   -0.508
1996.4887    7.780
1996.5159    5.401
1996.5430    2.935
1996.5702    1.075
1996.5973    1.729
1996.6245    2.506
1996.6516    3.979
1996.6788    2.248
1996.7059   -1.173
1996.7330   -3.750
1996.7602   -2.485
1996.8145    1.050
1996.8416    4.499
1996.8688    1.037
1996.8959   -3.936
1996.9231   -0.269
1996.9502    5.336
1996.9774    4.820
1997.0045    2.737
1997.0317   -1.061
1997.0588   -6.040
1997.0860    0.667
1997.1403    4.865
1997.1674    2.330
1997.1946   -1.873
1997.2217   -1.990
1997.2489    2.672
1997.2760    8.175
1997.3032    4.660
1997.3303    2.850
1997.3575    5.786
1997.3846   -0.127
1997.4118    6.119
1997.4660   12.036
1997.4932   10.748
1997.5203    7.590
1997.5475    7.733
1997.5746   10.991
1997.6289   12.217
1997.6561   13.121
1997.6832    9.253
1997.7104    8.121
1997.7375   14.584
1997.7918   16.312
1997.8190   13.477
1997.8461   10.585
1997.8733    7.427
1997.9004   10.739
1997.9276   15.999
1997.9547   12.658
1997.9819   11.503
1998.0090    4.620
1998.0362    8.194
1998.0905   15.707
1998.1176   15.370
1998.1448   11.592
1998.1719    6.851
1998.1990    9.704
1998.2262   12.362
1998.2533   18.592
1998.2805   19.084
1998.3076   12.266
1998.3348   11.707
1998.3619    8.502
1998.4162   12.238
1998.4434   13.310
1998.4705    8.561
1998.4977    6.115
1998.5248    6.520
1998.5520    7.802
1998.6063    8.023
1998.6334    4.223
1998.6606    4.859
1998.6877    5.432
1998.7149    9.220
1998.7420   11.934
1998.7692   11.852
1998.8235    5.487
1998.8506    6.297
1998.8777   13.321
1998.9049    8.651
1998.9320   17.990
1998.9592   11.166
1998.9863    6.033
1999.0135    8.368
1999.0406   15.060
1999.0949   10.969
1999.1492    7.324
1999.1764   10.855
1999.2035   13.098
1999.2307   16.857
1999.2578   12.399
1999.2850    8.365
1999.3393    9.378
1999.3664   12.737
1999.3936   12.387
1999.4207   14.189
1999.4479    7.066
1999.4750    5.060
1999.5022    8.322
1999.5293   15.049
1999.5565   16.430
1999.5836   12.790
1999.6107    6.791
1999.6379   10.912
1999.6922   13.751
1999.7193   17.404
1999.7465   14.546
1999.7736   14.262
1999.8008    9.896
1999.8279   12.812
1999.8551   17.759
1999.8822   17.388
1999.9094   14.480
1999.9637   12.914
1999.9908   17.015
2000.0180   18.665
2000.0451   19.331
2000.0723   16.784
2000.0994   10.310
2000.1266   11.614
2000.1537   18.495
2000.1809   20.789
2000.2080   19.435
2000.2352   19.507
2000.2895   12.625
2000.3166   14.655
2000.3437   15.419
2000.3709   16.981
2000.3980   14.578
2000.4252   10.592
2000.4523    8.938
2000.4795   13.107
2000.5066   15.965
2000.5338   17.960
2000.5881    6.958
2000.6152   13.275
2000.6695   17.546
2000.6967   17.122
2000.7238   17.924
2000.7510   16.362
2000.7781   17.224
2000.8053   19.430
2000.8596   22.892
2000.8867   17.644
2000.9139   16.836
2000.9410   13.557
2000.9682   17.175
2000.9953   22.976
2001.0225   19.267
2001.0767   14.724
2001.1039   18.851
2001.1310   20.849
2001.1582   25.688
2001.1853   25.400
2001.2125   17.256
2001.2396   17.027
2001.2668   19.013
2001.2939   24.890
2001.3211   25.292
2001.3482   21.481
2001.3754   18.110
2001.4025   14.793
2001.4297   16.495
2001.4568   20.098
2001.4840   25.691
2001.5111   26.195
2001.5383   22.873
2001.5654   16.520
2001.5926   22.394
2001.6197   23.586
2001.6469   24.451
2001.6740   23.302
2001.7012   21.752
2001.7283   21.722
2001.7555   24.640
2001.7826   24.946
2001.8097   23.946
2001.8369   26.690
2001.8640   22.777
2001.8912   19.464
2001.9183   19.998
2001.9455   22.180
2001.9726   25.031
2001.9998   25.734
2002.0269   18.194
2002.0541   19.675
2002.0812   27.258
2002.1084   30.243
2002.1355   28.846
2002.1627   23.784
2002.1898   18.063
2002.2170   20.830
2002.2441   23.071
2002.2713   29.179
2002.2984   25.424
2002.3256   24.905
2002.3527   19.713
2002.3799   22.600
2002.4070   25.376
2002.4342   25.551
2002.4613   22.533
2002.4885   26.112
2002.5156   25.382
2002.5427   25.997
2002.5699   29.692
2002.5970   33.186
2002.6242   33.226
2002.6513   26.619
2002.6785   22.989
2002.7056   25.189
2002.7328   30.990
2002.7599   29.133
2002.7871   30.597
2002.8142   30.899
2002.8414   23.524
2002.8685   25.518
2002.8957   33.654
2002.9228   30.419
2002.9500   29.179
2002.9771   27.259
2003.0043   24.375
2003.0314   24.213
2003.0586   32.842
2003.0857   35.361
2003.1129   34.670
2003.1400   23.850
2003.1672   26.029
2003.1943   28.472
2003.2214   32.173
2003.2486   32.617
2003.2757   28.001
2003.3029   26.423
2003.3300   25.781
2003.3572   26.043
2003.3843   30.116
2003.4115   31.242
2003.4386   24.740
2003.4658   25.113
2003.4929   23.755
2003.5201   25.902
2003.5472   31.615
2003.5744   31.272
2003.6015   29.408
2003.6287   23.297
2003.6558   25.236
2003.6830   31.701
2003.7101   31.785
2003.7373   30.195
2003.7644   30.213
2003.7916   26.050
2003.8187   26.986
2003.8459   27.616
2003.8730   30.429
2003.9273   30.405
2003.9544   27.051
2003.9816   25.427
2004.0087   30.725
2004.0359   36.348
2004.0630   36.213
2004.0902   32.158
2004.1173   20.678
2004.1716   31.460
2004.1988   34.789
2004.2259   33.542
2004.2531   31.174
2004.2802   28.433
2004.3074   34.114
2004.3345   28.567
2004.3617   30.482
2004.3888   27.915
2004.4160   26.794
2004.4431   25.584
2004.4703   28.843
2004.4974   35.758
2004.5246   36.583
2004.5517   33.236
2004.5789   29.079
2004.6060   30.265
2004.6332   32.017
2004.6603   33.962
2004.6874   38.811
2004.7146   39.039
2004.7417   29.272
2004.7689   30.868
2004.7960   30.545
2004.8232   32.453
2004.8503   35.636
2004.8775   35.595
2004.9046   29.499
2004.9318   30.495
2004.9589   33.622
2004.9861   42.520
2005.0132   36.111
2005.0404   33.474
2005.0675   33.665
2005.0947   32.808
2005.1218   35.437
2005.1490   38.662
2005.1761   44.168
2005.2033   41.776
2005.2304   29.597
2005.2576   30.401
2005.2847   39.085
2005.3119   35.439
2005.3390   36.952
2005.3662   37.905
2005.3933   34.367
2005.4204   33.335
2005.4476   35.271
2005.4747   39.848
2005.5019   39.972
2005.5290   38.183
2005.5562   33.929
2005.5833   37.427
2005.6105   34.599
2005.6376   36.581
2005.6648   40.407
2005.6919   36.426
2005.7734   36.632
2005.8005   38.095
2005.8277   38.524
2005.8548   40.445
2005.8820   39.537
2005.9091   39.154
2005.9363   38.350
2005.9634   42.933
2005.9906   42.122
2006.0177   35.233
2006.0449   33.330
2006.0720   35.801
2006.0992   37.835
2006.1263   40.041
2006.1534   39.527
2006.1806   39.993
2006.2077   31.150
2006.2349   32.455
2006.2620   37.129
2006.2892   38.983
2006.3163   35.569
2006.3435   33.409
2006.3706   36.120
2006.3978   39.151
2006.4249   37.112
2006.4521   40.539
2006.4792   42.237
2006.5064   39.609
2006.5335   37.081
2006.5607   39.376
2006.5878   42.146
2006.6150   38.414
2006.6421   39.754
2006.6693   38.490
2006.6964   37.682
2006.7236   38.451
2006.7507   40.309
2006.7779   42.453
2006.8050   42.705
2006.8864   39.742
2006.9136   38.028
2006.9407   45.495
2006.9679   42.347
2006.9950   36.968
2007.0222   34.269
2007.0493   32.130
2007.0765   40.236
2007.1036   40.973
2007.1308   38.793
2007.1579   40.230
2007.1851   34.205
2007.2122   34.975
2007.2394   40.157
2007.2665   44.900
2007.2937   41.711
2007.3208   36.985
2007.3480   31.092
2007.3751   37.068
2007.4023   41.049
2007.4294   40.750
2007.4566   39.414
2007.4837   36.540
2007.5109   33.940
2007.5380   36.021
2007.5651   37.765
2007.5923   39.343
2007.6194   39.930
2007.6466   33.356
2007.6737   30.470
2007.7009   35.084
2007.7280   39.838
2007.7552   41.008
2007.7823   38.207
2007.8095   35.890
2007.8366   34.452
2007.8638   40.010
2007.8909   45.030
2007.9181   43.637
2007.9452   41.893
2007.9724   33.767
2007.9995   33.719
2008.0267   38.302
2008.0538   44.082
2008.0810   43.857
2008.1081   35.638
2008.1353   36.618
2008.1624   34.873
2008.1896   39.969
2008.2167   42.702
2008.2439   42.108
2008.2710   39.043
2008.2981   37.564
2008.3253   33.914
2008.3796   47.024
2008.4067   46.348
2008.4339   43.538
2008.4610   42.100
2008.4882   43.284
2008.5153   44.265
2008.5425   45.564
2008.5696   44.196
2008.5968   40.403
2008.6239   39.632
2008.6511   38.173
2008.6782   39.732
2008.7054   40.328
2008.7325   40.800
2008.7868   36.983
2008.8140   37.492
2008.8411   41.736
2008.8683   43.238
2008.8954   41.702
2008.9226   44.834
2008.9497   40.274
2008.9769   37.892
2009.0040   41.231
2009.0311   46.082
2009.0583   49.059
2009.0854   40.244
2009.1126   35.516
2009.1397   42.595
2009.1669   46.158
2009.1940   48.605
2009.2212   46.937
2009.2483   43.515
2009.2755   40.497
2009.3026   42.514
2009.3298   46.413
2009.3569   50.725
2009.3841   44.239
2009.4112   39.383
2009.4384   41.513
2009.4655   43.994
2009.4927   43.880
2009.5198   43.311
2009.5470   44.470
2009.5741   46.773
2009.6013   40.006
2009.6284   42.832
2009.6556   48.743
2009.6827   50.671
2009.7099   50.199
2009.7370   46.276
2009.7642   43.849
2009.7913   45.868
2009.8184   51.018
2009.8456   53.271
2009.8727   48.070
2009.8999   45.349
2009.9270   43.363
2009.9542   45.988
2009.9813   52.715
2010.0085   48.856
2010.0356   46.607
2010.0628   41.961
2010.0899   38.871
2010.1171   46.570
2010.1442   53.660
2010.1714   55.161
2010.1985   45.336
2010.2257   42.371
2010.2528   43.208
2010.2800   44.219
2010.3071   49.135
2010.3343   50.853
2010.3614   45.854
2010.3886   47.029
2010.4157   45.469
2010.4429   50.543
2010.4700   53.594
2010.4971   52.536
2010.5243   47.047
2010.5786   46.369
2010.6057   45.225
2010.6329   52.340
2010.6600   46.272
2010.6872   43.582
2010.7143   41.735
2010.7415   40.440
2010.7686   41.238
2010.7958   49.067
2010.8229   47.117
2010.8501   43.101
2010.8772   41.214
2010.9044   37.751
2010.9315   45.113
2010.9587   46.398
2010.9858   46.482
2011.0130   43.738
2011.0401   39.350
2011.0673   39.404
2011.0944   44.247
2011.1216   47.121
2011.1487   47.783
2011.1759   40.966
2011.2030   38.270
2011.2301   38.881
2011.2573   44.704
2011.2844   45.041