YEAR MONTH MEAN STDEV COUNT
2002  1 nan nan 0
2002  2 nan nan 0
2002  3 nan nan 0
2002  4 nan nan 0
2002  5 nan nan 0
2002  6 nan nan 0
2002  7 6.72669e-03 2.51412e-02 30
2002  8 9.92887e-03 4.26177e-02 284
2002  9 2.84333e-02 3.55487e-03 170
2002 10 1.82829e-02 3.15714e-02 311
2002 11 1.95820e-02 9.72755e-03 938
2002 12 1.66257e-02 1.20963e-02 740
2003  1 1.92929e-02 1.43434e-02 922
2003  2 1.38242e-02 1.92807e-02 502
2003  3 1.26045e-02 1.80772e-02 539
2003  4 1.63901e-02 2.30726e-03 61
2003  5 1.75905e-02 6.26121e-03 218
2003  6 2.79478e-02 2.32730e-03 64
2003  7 1.98337e-02 6.13966e-04 64
2003  8 1.69149e-02 1.50866e-02 192
2003  9 2.29637e-02 3.36978e-03 175
2003 10 2.23082e-02 4.18146e-03 544
2003 11 -8.80309e-03 5.60709e-02 338
2003 12 2.44086e-02 1.58068e-02 476
2004  1 2.14408e-02 6.85627e-03 582
2004  2 1.71991e-02 1.49165e-02 475
2004  3 1.82714e-02 2.17715e-03 486
2004  4 2.11161e-02 2.02483e-03 421
2004  5 1.65110e-02 3.35676e-03 123
2004  6 5.51051e-03 3.05068e-02 320
2004  7 8.59516e-04 3.44279e-02 240
2004  8 1.93745e-02 3.42120e-03 130
2004  9 2.45997e-03 6.43072e-02 178
2004 10 -1.14702e-02 4.59586e-02 217
2004 11 2.01931e-02 1.15781e-02 417
2004 12 2.04758e-02 4.92745e-03 658
2005  1 3.27340e-02 8.14390e-03 350
2005  2 4.85057e-02 2.75443e-02 415
2005  3 5.38060e-03 2.62221e-02 706
2005  4 1.34343e-02 2.13808e-02 345
2005  5 nan nan 0
2005  6 -5.87674e-02 2.41980e-03 64
2005  7 2.63247e-02 1.36298e-02 130
2005  8 1.39242e-02 2.53445e-02 314
2005  9 2.88398e-02 6.93675e-03 307
2005 10 1.91412e-02 3.07496e-03 105
2005 11 2.58430e-02 6.78089e-03 637
2005 12 2.50100e-02 1.72021e-02 611
2006  1 2.48832e-02 8.82778e-03 515
2006  2 1.47054e-02 2.07925e-02 776
2006  3 2.14415e-02 1.10403e-02 694
2006  4 2.62133e-02 2.43375e-03 128
2006  5 2.01088e-02 2.17771e-02 192
2006  6 -1.76894e-03 2.93033e-02 182
2006  7 2.19214e-03 4.31445e-02 334
2006  8 -8.06594e-03 4.15199e-02 192
2006  9 1.79817e-02 2.51890e-02 553
2006 10 2.68694e-02 8.04410e-03 379
2006 11 2.08761e-02 2.79954e-03 633
2006 12 2.33386e-02 6.31706e-03 712
2007  1 2.35418e-02 5.39742e-03 679
2007  2 1.50132e-02 2.48926e-02 951
2007  3 1.64710e-03 3.00472e-02 408
2007  4 2.27148e-02 7.58938e-03 292
2007  5 5.13663e-04 3.80478e-02 220
2007  6 2.68166e-02 2.94647e-04 5
2007  7 -5.21534e-03 5.29299e-02 235
2007  8 -1.99822e-03 3.90682e-02 88
2007  9 2.30290e-02 1.21869e-02 179
2007 10 2.22697e-02 4.01376e-03 335
2007 11 1.10291e-02 5.11168e-02 472
2007 12 2.40154e-02 3.94331e-03 568
2008  1 2.54166e-02 4.11641e-03 655
2008  2 1.85780e-02 1.81115e-02 682
2008  3 9.08915e-03 2.41972e-02 317
2008  4 1.14054e-02 2.46455e-02 448
2008  5 5.77976e-03 2.96872e-02 432
2008  6 -1.71372e-02 3.60146e-02 139
2008  7 7.36705e-03 2.88568e-02 339
2008  8 1.54077e-02 2.19553e-02 211
2008  9 2.21717e-02 5.85440e-03 393
2008 10 1.63269e-02 2.20246e-02 378
2008 11 1.88061e-02 4.45077e-03 867
2008 12 2.39318e-02 1.31721e-02 423
2009  1 1.59871e-02 1.86152e-02 1072
2009  2 2.13379e-02 5.78104e-03 372
2009  3 2.53893e-02 4.76234e-03 303
2009  4 2.01920e-03 7.58704e-02 571
2009  5 1.44114e-02 4.99037e-02 195
2009  6 4.41261e-03 3.97316e-02 81
2009  7 2.56293e-02 7.38046e-03 192
2009  8 1.56926e-02 3.48032e-03 192
2009  9 2.22937e-02 5.79702e-03 451
2009 10 1.97910e-02 1.54319e-02 591
2009 11 1.95268e-02 2.53146e-02 645
2009 12 2.21392e-02 6.39508e-03 675
2010  1 3.53699e-02 1.27163e-02 838
2010  2 -1.21351e-03 4.71381e-02 489
2010  3 -8.41509e-03 3.79751e-02 335
2010  4 1.99960e-02 1.10105e-02 131
2010  5 1.21695e-02 3.34002e-02 192
2010  6 2.97877e-02 2.71739e-03 116
2010  7 -4.87341e-02 6.59174e-02 48
2010  8 2.78412e-02 3.47187e-02 218
2010  9 1.17911e-02 3.60681e-02 309
2010 10 2.32029e-02 4.23337e-03 512
2010 11 3.45423e-02 2.28424e-02 373
2010 12 2.17979e-02 3.86918e-02 549
2011  1 1.54110e-02 2.47336e-02 674
2011  2 1.96535e-02 1.42664e-02 644
2011  3 1.06820e-03 3.15935e-02 657
2011  4 7.26737e-03 2.21605e-02 345
2011  5 2.46820e-02 3.35203e-03 128
2011  6 2.58243e-02 1.01836e-03 64
2011  7 nan nan 0
2011  8 -4.45923e-03 3.69265e-02 190
2011  9 2.57363e-02 4.68749e-03 304
2011 10 1.95886e-02 4.36648e-03 436
2011 11 2.86148e-02 1.05427e-02 340
2011 12 2.14458e-02 2.46228e-03 470
2012  1 2.07410e-02 5.98323e-03 635
2012  2 1.23291e-02 2.26740e-02 588
2012  3 9.99859e-03 1.58053e-02 200
2012  4 1.49796e-02 2.55335e-03 134
2012  5 -1.07910e-02 2.78758e-02 145
2012  6 -3.44498e-02 2.57518e-02 245
2012  7 1.37058e-02 9.19990e-03 128
2012  8 -3.32641e-02 4.33618e-02 192
2012  9 1.82743e-02 2.56795e-02 356
2012 10 1.10604e-02 3.43426e-02 399
2012 11 2.34408e-02 7.30666e-03 523
2012 12 2.48157e-02 3.06845e-02 405
2013  1 2.96350e-02 5.71864e-03 474
2013  2 2.41406e-02 2.16392e-02 839
2013  3 1.55651e-02 2.91774e-02 529
2013  4 -7.29118e-04 2.72227e-02 399
2013  5 -1.26887e-02 3.19951e-02 137
2013  6 nan nan 0
2013  7 2.30079e-02 1.40778e-03 101
2013  8 -1.92914e-03 4.03079e-02 192
2013  9 -3.44215e-02 2.46318e-01 179
2013 10 2.62499e-02 4.41014e-03 180
2013 11 2.17075e-02 3.10044e-02 648
2013 12 2.24180e-02 8.01512e-03 532
2014  1 1.76346e-02 2.54286e-02 805
2014  2 1.63217e-02 2.04453e-02 818
2014  3 1.54926e-02 2.10056e-02 737
2014  4 1.77002e-02 1.16051e-02 409
2014  5 -3.44060e-03 3.00798e-02 192
2014  6 -1.93753e-03 3.46174e-02 216
2014  7 1.57468e-02 4.28995e-03 99
2014  8 -2.94993e-03 3.44201e-02 187
2014  9 2.30551e-02 1.03783e-02 369
2014 10 -1.27152e-02 5.63859e-02 502
2014 11 2.29339e-02 1.25558e-02 571
2014 12 2.02827e-02 1.19912e-02 745
2015  1 1.54792e-02 3.96995e-02 632
2015  2 1.84396e-02 3.00345e-02 562
2015  3 8.18681e-03 2.14001e-02 452
2015  4 5.77017e-03 2.41691e-02 531
2015  5 -7.49040e-03 3.89908e-02 192
2015  6 -2.15510e-03 3.59902e-02 192
2015  7 1.59409e-02 9.31907e-04 64
2015  8 1.63962e-02 2.17564e-02 373
2015  9 1.19230e-02 2.51568e-02 429
2015 10 -1.15717e-03 5.56945e-02 434
2015 11 2.27239e-03 3.98320e-02 273
2015 12 2.15761e-02 4.17393e-03 768
2016  1 2.36437e-02 2.29122e-02 678
2016  2 7.98871e-03 2.93865e-02 597
2016  3 2.04434e-02 1.02322e-02 341
2016  4 -1.78959e-03 2.79714e-02 448
2016  5 2.11712e-02 7.50273e-04 70
2016  6 -1.11769e-02 3.40962e-02 256
2016  7 2.02952e-02 1.50350e-03 123
2016  8 1.74614e-02 3.26660e-02 172
2016  9 4.66872e-03 4.67677e-02 403
2016 10 1.90230e-02 4.57013e-02 344
2016 11 2.90989e-02 4.77650e-03 243
2016 12 1.08649e-02 3.93059e-02 438
2017  1 2.55209e-02 2.01175e-02 661
2017  2 1.81276e-02 2.41831e-02 585
2017  3 2.19698e-02 1.41910e-02 406
2017  4 3.99461e-03 3.04596e-02 359
2017  5 4.18830e-03 2.31470e-02 270
2017  6 -3.12951e-03 3.83666e-02 387
2017  7 -9.15327e-03 4.93810e-02 267
2017  8 3.59024e-02 2.01653e-03 9
2017  9 3.17181e-02 1.28028e-02 249
2017 10 1.45809e-02 3.85148e-02 409
2017 11 1.09206e-02 4.47981e-02 532
2017 12 2.66296e-02 7.84021e-03 371
2018  1 1.86811e-02 1.31467e-02 361
2018  2 1.77499e-02 9.77155e-03 349
2018  3 6.55038e-03 3.24710e-02 618
2018  4 1.29835e-02 1.74359e-02 394
2018  5 1.47570e-02 1.69079e-02 495
2018  6 9.01223e-03 2.94225e-02 221
2018  7 2.39433e-02 2.09198e-03 64
2018  8 2.46386e-03 2.83575e-02 230
2018  9 1.99984e-02 2.98547e-03 256
2018 10 -2.39228e-03 4.88972e-02 446
2018 11 -2.57802e-02 5.78976e-02 478
2018 12 1.76880e-02 1.55427e-02 702
2019  1 1.62400e-02 2.33669e-02 646
2019  2 2.17531e-02 4.98643e-03 321
2019  3 -2.26544e-02 2.80651e-02 613
2019  4 5.01191e-03 2.47256e-02 446
2019  5 -1.61575e-02 3.73329e-02 137
2019  6 1.53291e-03 2.82706e-02 256
2019  7 -2.22613e-03 3.27804e-02 230
2019  8 2.45195e-02 6.48093e-03 256
2019  9 2.01930e-02 3.32062e-03 213
2019 10 1.17014e-02 3.24303e-02 384
2019 11 2.48631e-02 7.77159e-03 820
2019 12 2.60147e-02 6.17012e-03 394
2020  1 2.84731e-02 7.45741e-03 481
2020  2 9.91289e-03 2.76467e-02 822
2020  3 1.07230e-02 2.48188e-02 320
2020  4 6.57284e-03 2.29734e-02 671
2020  5 1.90466e-02 1.94771e-03 192
2020  6 2.16674e-02 8.24708e-03 393
2020  7 9.11835e-03 2.59924e-02 256
2020  8 1.92439e-02 5.88716e-02 198
2020  9 2.18595e-02 1.39562e-02 303
2020 10 2.35615e-02 5.21181e-03 435
2020 11 1.21414e-02 2.77226e-02 667
2020 12 1.44424e-02 2.71815e-02 656
2021  1 2.40246e-02 4.69418e-03 771
2021  2 -1.41035e-02 4.60988e-02 529
2021  3 4.44552e-03 2.52194e-02 621
2021  4 -4.41747e-03 3.34985e-02 404
2021  5 -6.29146e-03 3.38171e-02 189
2021  6 2.06027e-02 5.87975e-02 157
2021  7 2.16021e-02 8.29297e-03 142
2021  8 -3.89267e-03 4.16082e-02 258
2021  9 1.90809e-02 2.35903e-02 486
2021 10 6.99819e-03 3.46984e-02 434
2021 11 1.66746e-02 3.18280e-02 707
2021 12 1.26911e-02 2.83997e-02 603
2022  1 2.08353e-02 4.50387e-03 1008
2022  2 1.97957e-02 5.31794e-03 346
2022  3 1.42964e-02 5.42292e-03 190
2022  4 1.68165e-02 2.21812e-03 128
2022  5 2.30027e-02 4.71045e-03 152
2022  6 1.79372e-02 4.17368e-03 423
2022  7 1.55661e-02 2.50188e-03 327
2022  8 2.35555e-02 5.95309e-03 256
2022  9 4.18218e-02 2.74162e-02 244
2022 10 3.01353e-02 1.29075e-02 369
2022 11 1.78487e-02 6.04970e-03 473
2022 12 3.01162e-02 1.13291e-02 807
2023  1 1.69007e-02 5.05021e-03 795
2023  2 1.41094e-02 2.70553e-03 331
2023  3 1.70440e-02 3.62276e-03 489
2023  4 1.30444e-02 2.58806e-03 571
2023  5 1.19810e-02 2.66007e-03 547
2023  6 2.02576e-02 6.26726e-03 306
2023  7 2.57324e-02 9.02161e-04 34
2023  8 1.55060e-02 2.16845e-03 322
2023  9 2.21344e-02 5.83674e-03 341
2023 10 1.67323e-02 6.83933e-03 363
2023 11 2.42706e-02 4.02222e-03 482
2023 12 2.34515e-02 4.56895e-03 764
2024  1 2.01704e-02 7.40720e-03 744
2024  2 2.69714e-02 6.47505e-03 705
2024  3 1.78743e-02 3.68729e-03 407
2024  4 1.21945e-02 1.12866e-03 18