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 3.18921e-02 4.34643e-03 192
2002  8 3.21460e-02 5.39511e-04 64
2002  9 4.63162e-02 2.90091e-03 128
2002 10 4.15772e-02 7.02787e-03 289
2002 11 4.98618e-02 5.35517e-03 719
2002 12 4.65625e-02 1.05122e-02 808
2003  1 3.57685e-02 5.47627e-03 641
2003  2 3.48621e-02 3.05135e-03 287
2003  3 2.94215e-02 2.33140e-03 318
2003  4 3.29327e-02 2.80679e-03 153
2003  5 3.60939e-02 1.13893e-03 64
2003  6 2.80468e-02 6.50906e-04 83
2003  7 4.05715e-02 5.76124e-04 64
2003  8 nan nan 0
2003  9 4.06734e-02 9.31011e-03 421
2003 10 4.11050e-02 7.17048e-03 576
2003 11 5.68460e-02 1.85641e-02 496
2003 12 5.02838e-02 7.68289e-02 560
2004  1 3.81776e-02 4.10441e-03 905
2004  2 3.56333e-02 4.81526e-03 645
2004  3 3.50241e-02 4.25264e-03 384
2004  4 3.12577e-02 6.09997e-03 367
2004  5 3.48066e-02 1.84470e-03 72
2004  6 3.46487e-02 4.52361e-04 9
2004  7 3.76773e-02 7.91738e-03 26
2004  8 2.79126e-02 3.59378e-03 43
2004  9 4.32542e-02 5.82320e-03 179
2004 10 4.74292e-02 1.02918e-02 424
2004 11 4.16847e-02 7.90767e-03 704
2004 12 4.23531e-02 7.22505e-03 948
2005  1 3.72494e-02 3.40883e-03 513
2005  2 4.17695e-02 7.67497e-03 580
2005  3 3.19652e-02 5.34507e-03 576
2005  4 3.22894e-02 2.85285e-03 239
2005  5 3.44572e-02 1.04503e-02 285
2005  6 nan nan 0
2005  7 4.12392e-02 2.45516e-03 70
2005  8 3.06673e-02 6.13148e-03 101
2005  9 3.61649e-02 4.86848e-03 135
2005 10 3.41301e-02 4.52811e-03 128
2005 11 3.88751e-02 4.05246e-03 622
2005 12 3.98068e-02 4.39618e-03 863
2006  1 3.73130e-02 1.86620e-03 565
2006  2 3.79668e-02 1.35315e-02 436
2006  3 3.56755e-02 2.44881e-03 512
2006  4 3.63069e-02 5.08917e-03 512
2006  5 3.28446e-02 5.06109e-03 321
2006  6 nan nan 0
2006  7 4.60532e-02 7.70904e-03 152
2006  8 nan nan 0
2006  9 3.40741e-02 4.33504e-03 224
2006 10 3.74522e-02 7.27211e-03 385
2006 11 3.77166e-02 6.23147e-03 406
2006 12 3.90456e-02 3.18995e-03 561
2007  1 4.17879e-02 5.18625e-03 858
2007  2 3.67396e-02 6.00229e-03 804
2007  3 3.25062e-02 5.07437e-03 404
2007  4 3.59203e-02 2.83969e-03 275
2007  5 3.74878e-02 5.98068e-03 192
2007  6 2.78876e-02 3.33268e-03 141
2007  7 nan nan 0
2007  8 3.21745e-02 2.81716e-04 64
2007  9 4.02663e-02 7.79663e-03 128
2007 10 4.35153e-02 1.12770e-02 219
2007 11 3.86846e-02 5.39650e-03 402
2007 12 4.18916e-02 3.49508e-03 702
2008  1 3.81375e-02 1.02108e-02 1019
2008  2 3.47893e-02 4.84988e-03 410
2008  3 3.17354e-02 2.40227e-03 528
2008  4 2.85896e-02 3.27277e-03 309
2008  5 3.30866e-02 4.31419e-03 366
2008  6 3.31801e-02 3.06909e-03 128
2008  7 2.82935e-02 2.86605e-03 70
2008  8 4.12095e-02 7.86977e-03 210
2008  9 5.10534e-02 4.54473e-03 139
2008 10 4.21956e-02 6.97385e-03 642
2008 11 3.98156e-02 1.14432e-02 541
2008 12 4.09020e-02 7.32020e-03 921
2009  1 3.55479e-02 5.68288e-03 921
2009  2 3.48726e-02 6.09737e-03 338
2009  3 3.27735e-02 3.18962e-03 610
2009  4 3.06915e-02 3.66711e-03 198
2009  5 4.09235e-02 8.79244e-03 115
2009  6 5.80005e-02 6.34959e-04 64
2009  7 3.70262e-02 2.84891e-03 103
2009  8 3.04679e-02 6.48609e-03 198
2009  9 3.73818e-02 1.65906e-03 322
2009 10 4.66857e-02 2.05696e-02 464
2009 11 4.56565e-02 1.05422e-02 832
2009 12 4.07731e-02 1.62959e-02 861
2010  1 4.48566e-02 2.50606e-02 588
2010  2 3.49849e-02 6.00940e-03 512
2010  3 3.29288e-02 3.72942e-03 278
2010  4 2.83626e-02 4.97523e-03 190
2010  5 3.79281e-02 3.34012e-04 7
2010  6 3.74587e-02 3.77367e-03 188
2010  7 4.02483e-02 1.88199e-04 64
2010  8 4.72743e-02 3.98687e-03 252
2010  9 5.03371e-02 2.08518e-03 65
2010 10 5.68585e-02 1.74238e-02 299
2010 11 4.87122e-02 7.85292e-03 639
2010 12 4.48969e-02 1.31367e-02 660
2011  1 4.09612e-02 6.31408e-03 677
2011  2 3.99349e-02 6.92333e-03 462
2011  3 3.31460e-02 3.13162e-03 934
2011  4 3.53838e-02 6.62591e-03 320
2011  5 3.47638e-02 3.59994e-03 414
2011  6 3.03902e-02 1.52773e-03 128
2011  7 3.19847e-02 7.37040e-04 64
2011  8 3.06300e-02 4.18097e-03 85
2011  9 3.58160e-02 5.59888e-03 398
2011 10 3.87454e-02 5.99320e-03 394
2011 11 4.05702e-02 9.29566e-03 730
2011 12 3.75133e-02 3.31269e-03 944
2012  1 3.91469e-02 3.59398e-03 961
2012  2 3.59566e-02 4.89828e-03 512
2012  3 3.14385e-02 3.61394e-03 586
2012  4 3.52387e-02 2.78076e-03 387
2012  5 4.85745e-02 9.27005e-03 249
2012  6 3.47921e-02 5.28441e-04 64
2012  7 2.40674e-02 7.84537e-04 64
2012  8 3.71791e-02 6.82958e-04 64
2012  9 4.13921e-02 4.33561e-03 235
2012 10 4.84874e-02 4.14107e-03 198
2012 11 4.00260e-02 2.82184e-03 513
2012 12 4.19565e-02 3.06783e-03 739
2013  1 4.22937e-02 6.01225e-03 683
2013  2 3.50460e-02 2.71768e-03 640
2013  3 3.35956e-02 4.32846e-03 269
2013  4 3.98507e-02 2.50138e-03 65
2013  5 3.50704e-02 4.58879e-03 177
2013  6 nan nan 0
2013  7 3.54106e-02 4.24547e-03 192
2013  8 3.56335e-02 4.44994e-04 46
2013  9 4.71880e-02 2.16791e-03 314
2013 10 3.58887e-02 9.84458e-04 80
2013 11 4.25758e-02 6.53195e-03 687
2013 12 4.57611e-02 6.35799e-03 666
2014  1 3.52381e-02 3.62522e-03 654
2014  2 3.25095e-02 3.16644e-03 320
2014  3 3.24689e-02 4.31162e-03 550
2014  4 3.17782e-02 3.21006e-03 156
2014  5 2.69450e-02 3.53174e-03 128
2014  6 2.72678e-02 2.27113e-04 64
2014  7 3.25738e-02 3.53118e-03 192
2014  8 4.85277e-02 1.12167e-03 18
2014  9 3.38527e-02 4.62045e-03 287
2014 10 4.55774e-02 3.36997e-02 440
2014 11 4.05069e-02 3.34998e-03 373
2014 12 4.10044e-02 6.31307e-03 819
2015  1 3.60192e-02 3.35806e-03 835
2015  2 3.87036e-02 2.08385e-02 409
2015  3 3.38128e-02 4.13175e-03 392
2015  4 3.09370e-02 4.08900e-03 263
2015  5 4.31388e-02 9.66911e-04 64
2015  6 nan nan 0
2015  7 nan nan 0
2015  8 3.20056e-02 2.80903e-03 125
2015  9 3.96953e-02 5.12446e-03 268
2015 10 4.16076e-02 7.73530e-03 570
2015 11 4.63276e-02 4.31745e-03 322
2015 12 4.21817e-02 5.96084e-03 535
2016  1 4.30685e-02 4.04784e-03 803
2016  2 3.64672e-02 2.99260e-03 552
2016  3 3.08014e-02 4.48694e-03 257
2016  4 3.37196e-02 6.44171e-04 194
2016  5 3.77088e-02 6.24670e-04 128
2016  6 3.51561e-02 2.05853e-03 11
2016  7 nan nan 0
2016  8 5.11820e-02 7.72872e-03 74
2016  9 4.18392e-02 7.41105e-03 199
2016 10 5.16043e-02 1.68972e-02 553
2016 11 4.69408e-02 1.12039e-02 448
2016 12 4.01144e-02 6.18353e-03 936
2017  1 4.33264e-02 1.23733e-02 954
2017  2 3.78608e-02 5.17068e-03 399
2017  3 3.57560e-02 5.94964e-03 312
2017  4 3.52226e-02 3.17857e-03 245
2017  5 4.15810e-02 3.30918e-03 199
2017  6 2.59611e-02 2.88061e-03 91
2017  7 4.87111e-02 2.08932e-03 64
2017  8 5.66905e-02 1.68603e-03 220
2017  9 5.00180e-02 6.91157e-03 84
2017 10 4.60514e-02 9.02368e-03 214
2017 11 5.08161e-02 1.43499e-02 403
2017 12 4.13736e-02 7.31038e-03 706
2018  1 4.02769e-02 6.19426e-03 610
2018  2 3.71101e-02 3.36702e-03 419
2018  3 3.48070e-02 4.60517e-03 704
2018  4 3.44196e-02 1.84998e-03 266
2018  5 3.55015e-02 1.18193e-03 74
2018  6 7.17384e-02 0.00000e+00 8
2018  7 3.22930e-02 3.91853e-04 62
2018  8 nan nan 0
2018  9 4.80942e-02 5.60019e-03 254
2018 10 4.19844e-02 1.15241e-02 465
2018 11 5.81349e-02 1.64654e-01 649
2018 12 4.43579e-02 9.55686e-03 823
2019  1 4.19451e-02 4.60778e-03 719
2019  2 3.44325e-02 3.97948e-03 469
2019  3 3.31022e-02 1.55688e-03 375
2019  4 3.42778e-02 4.41066e-03 204
2019  5 3.21705e-02 4.21524e-03 104
2019  6 2.95850e-02 1.67229e-03 112
2019  7 4.29045e-02 1.11318e-03 29
2019  8 4.47299e-02 2.80545e-03 67
2019  9 4.73403e-02 1.06046e-02 227
2019 10 5.49788e-02 1.43535e-02 369
2019 11 4.93601e-02 1.29225e-01 780
2019 12 4.60699e-02 9.15472e-03 888
2020  1 3.80204e-02 5.61439e-03 923
2020  2 3.81866e-02 6.89706e-03 432
2020  3 3.48812e-02 4.33249e-03 469
2020  4 3.49259e-02 3.99245e-03 446
2020  5 3.90281e-02 4.81947e-03 290
2020  6 3.30750e-02 1.03966e-03 10
2020  7 3.33536e-02 6.04191e-04 128
2020  8 4.36427e-02 3.74003e-03 168
2020  9 3.51513e-02 4.61346e-03 462
2020 10 4.76260e-02 4.72022e-02 277
2020 11 4.26485e-02 5.83578e-03 360
2020 12 4.28362e-02 6.23136e-03 951
2021  1 3.83935e-02 4.31640e-03 733
2021  2 3.50432e-02 8.13239e-03 378
2021  3 3.45682e-02 3.88286e-03 504
2021  4 3.06327e-02 3.29674e-03 220
2021  5 3.02292e-02 5.95935e-03 264
2021  6 6.19478e-02 8.88666e-03 60
2021  7 5.13604e-02 2.27614e-03 64
2021  8 2.99045e-02 4.67846e-03 73
2021  9 4.06860e-02 4.96403e-03 335
2021 10 4.35313e-02 5.74527e-03 542
2021 11 4.89863e-02 1.20087e-02 744
2021 12 4.91528e-02 9.77631e-03 642
2022  1 3.78375e-02 4.14126e-03 859
2022  2 3.24663e-02 2.93308e-03 561
2022  3 3.11587e-02 9.15277e-03 121
2022  4 3.14000e-02 4.30116e-04 64
2022  5 2.96182e-02 5.14812e-03 121
2022  6 3.71556e-02 1.40056e-02 63
2022  7 nan nan 0
2022  8 3.39656e-02 6.87891e-04 64
2022  9 4.35031e-02 2.16809e-02 225
2022 10 4.19196e-02 7.80311e-03 311
2022 11 4.34763e-02 7.45465e-03 629
2022 12 3.98890e-02 5.32860e-03 948
2023  1 3.81124e-02 6.00183e-03 1009
2023  2 3.30050e-02 5.30261e-03 484
2023  3 3.16088e-02 6.68722e-03 591
2023  4 3.35213e-02 3.88797e-03 254
2023  5 3.38612e-02 4.06937e-03 320
2023  6 3.96678e-02 7.82161e-03 301
2023  7 nan nan 0
2023  8 3.22781e-02 1.49692e-03 64
2023  9 4.43207e-02 7.81117e-03 295
2023 10 3.60433e-02 6.04979e-03 328
2023 11 3.92045e-02 5.85701e-03 446
2023 12 4.04527e-02 5.16159e-03 842
2024  1 3.73597e-02 4.86146e-03 818
2024  2 3.83186e-02 1.09271e-02 902
2024  3 3.12332e-02 2.17144e-03 385
2024  4 3.21125e-02 2.42947e-03 128