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 2.97033e-02 1.49491e-02 57
2002  8 nan nan 0
2002  9 nan nan 0
2002 10 -1.73767e-02 5.96986e-02 192
2002 11 -5.38864e-02 1.63948e-01 334
2002 12 2.66597e-02 1.27827e-01 385
2003  1 1.27590e-02 4.09187e-02 521
2003  2 1.85340e-02 2.50421e-02 66
2003  3 3.50247e-02 7.17934e-02 149
2003  4 nan nan 0
2003  5 nan nan 0
2003  6 nan nan 0
2003  7 3.50511e-02 8.34621e-02 64
2003  8 nan nan 0
2003  9 2.32834e-02 2.76524e-02 167
2003 10 1.20682e-02 6.38816e-02 329
2003 11 -1.55182e-02 2.39840e-01 355
2003 12 7.10617e-02 1.05838e-01 502
2004  1 3.64007e-02 2.28177e-02 518
2004  2 2.84215e-02 2.64678e-02 322
2004  3 3.46251e-02 2.56242e-02 186
2004  4 1.81977e-02 7.51972e-03 181
2004  5 nan nan 0
2004  6 nan nan 0
2004  7 nan nan 0
2004  8 nan nan 0
2004  9 3.84917e-02 5.22364e-02 131
2004 10 6.44139e-02 7.22866e-02 146
2004 11 3.50789e-02 5.87799e-02 398
2004 12 2.39706e-02 2.04962e-01 236
2005  1 -9.00612e-03 1.32961e-01 89
2005  2 3.11381e-02 2.60724e-02 372
2005  3 2.06594e-02 9.35392e-03 277
2005  4 -2.66673e-02 3.82924e-02 86
2005  5 2.46743e-02 2.40843e-02 189
2005  6 nan nan 0
2005  7 nan nan 0
2005  8 nan nan 0
2005  9 -8.09519e-02 1.50063e-01 128
2005 10 7.05602e-02 8.47276e-03 50
2005 11 -5.16483e-03 1.11256e-01 410
2005 12 1.29684e-02 6.53019e-02 654
2006  1 1.53723e-02 5.01658e-02 228
2006  2 1.75808e-02 1.78181e-02 435
2006  3 2.57240e-02 2.70631e-02 302
2006  4 4.78783e-02 9.24830e-03 104
2006  5 -2.47318e-02 8.20310e-02 142
2006  6 nan nan 0
2006  7 8.04917e-02 3.59168e-02 63
2006  8 nan nan 0
2006  9 -1.95049e-03 3.79960e-02 114
2006 10 4.75389e-02 6.11029e-03 128
2006 11 3.64768e-02 3.85691e-02 264
2006 12 4.23268e-02 5.53009e-02 362
2007  1 2.77552e-02 5.04422e-02 623
2007  2 8.24842e-03 4.55519e-02 445
2007  3 2.75369e-02 5.83068e-03 70
2007  4 1.23642e-02 4.38737e-03 151
2007  5 6.78515e-02 1.81806e-02 17
2007  6 nan nan 0
2007  7 nan nan 0
2007  8 nan nan 0
2007  9 4.26679e-02 3.56381e-02 128
2007 10 5.23241e-02 2.16521e-02 63
2007 11 4.88833e-02 8.23526e-02 287
2007 12 -4.55239e-02 1.37621e-01 308
2008  1 4.67722e-03 7.86278e-02 611
2008  2 2.86809e-02 1.28946e-02 192
2008  3 2.14804e-02 5.67568e-03 195
2008  4 2.26778e-02 3.48682e-03 66
2008  5 -1.39573e-02 8.08764e-02 184
2008  6 nan nan 0
2008  7 1.29321e-02 1.25505e-03 54
2008  8 2.60903e-02 9.56893e-03 105
2008  9 4.54948e-02 1.72184e-02 155
2008 10 -4.63786e-03 1.08236e-01 208
2008 11 3.66635e-02 5.89544e-02 423
2008 12 -4.94162e-03 1.00143e-01 436
2009  1 -3.99021e-03 5.01893e-02 347
2009  2 4.86761e-03 3.94097e-02 192
2009  3 1.30817e-02 2.09384e-02 220
2009  4 2.05295e-02 5.47141e-03 101
2009  5 nan nan 0
2009  6 2.30237e-02 2.28770e-03 53
2009  7 1.39883e-02 1.07338e-03 15
2009  8 1.70763e-02 1.57846e-02 110
2009  9 1.36363e-02 1.39951e-02 92
2009 10 -1.86961e-01 8.67797e-03 20
2009 11 -2.93925e-02 1.80810e-01 476
2009 12 1.29323e+01 2.62933e+02 421
2010  1 3.55080e-02 3.02956e-02 322
2010  2 -2.39000e-02 8.39003e-02 347
2010  3 -2.35300e-02 5.53546e-02 176
2010  4 2.09870e-02 4.43868e-03 58
2010  5 nan nan 0
2010  6 5.50877e-02 6.89523e-02 97
2010  7 1.70996e-02 1.39986e-03 20
2010  8 -2.52378e-02 1.06552e-01 76
2010  9 4.97856e-02 1.13306e-02 63
2010 10 -5.19696e-02 1.77405e-01 248
2010 11 -4.63978e-02 8.69167e-02 387
2010 12 -5.98803e-02 8.37246e-02 583
2011  1 2.62818e-02 3.62155e-02 309
2011  2 4.88555e-03 4.63622e-02 329
2011  3 -1.75261e-03 3.78596e-02 415
2011  4 2.69349e-02 1.74784e-02 106
2011  5 -7.97188e-03 8.17285e-02 116
2011  6 nan nan 0
2011  7 nan nan 0
2011  8 nan nan 0
2011  9 3.39468e-02 2.52911e-02 144
2011 10 3.23156e-02 1.13177e-01 165
2011 11 6.14391e-02 2.82741e-02 233
2011 12 2.35667e-02 2.22155e-02 446
2012  1 2.69800e-02 2.92261e-02 704
2012  2 2.29697e-02 1.07924e-02 218
2012  3 1.93999e-02 4.19712e-02 129
2012  4 2.44531e-02 1.33252e-02 123
2012  5 3.82339e-02 2.35102e-03 64
2012  6 1.83874e-02 1.81883e-03 64
2012  7 nan nan 0
2012  8 nan nan 0
2012  9 -1.05762e-01 1.56793e-01 192
2012 10 1.15441e-01 7.93143e-02 128
2012 11 3.11292e-02 8.70818e-02 453
2012 12 2.24221e-02 6.39540e-02 405
2013  1 -2.65783e-02 8.12452e-02 180
2013  2 -1.22443e-02 5.30983e-02 235
2013  3 4.98461e-03 3.55322e-02 106
2013  4 9.23144e-03 1.14258e-04 10
2013  5 2.51756e-02 5.16249e-02 128
2013  6 nan nan 0
2013  7 -5.21292e-02 7.78583e-03 39
2013  8 nan nan 0
2013  9 -8.28172e-02 1.28105e-01 134
2013 10 3.66750e-03 2.25266e-02 35
2013 11 5.32399e-02 9.08195e-02 306
2013 12 4.32323e-02 4.90302e-02 375
2014  1 3.55575e-02 3.90548e-02 272
2014  2 3.71273e-02 2.24639e-02 333
2014  3 -2.24650e-02 5.22829e-02 305
2014  4 2.30018e-02 1.94226e-02 107
2014  5 1.60153e-02 3.45630e-03 64
2014  6 nan nan 0
2014  7 1.28233e-02 8.26280e-04 35
2014  8 nan nan 0
2014  9 3.22254e-02 2.49853e-03 20
2014 10 2.60833e-02 1.06397e-02 200
2014 11 1.57024e-02 5.71607e-02 374
2014 12 7.86704e-03 8.47953e-02 474
2015  1 1.59864e-02 3.01188e-02 370
2015  2 3.96643e-03 6.23481e-02 297
2015  3 5.43753e-03 4.99876e-02 302
2015  4 5.95209e-03 3.17430e-02 177
2015  5 1.73366e-02 1.00113e-03 64
2015  6 nan nan 0
2015  7 nan nan 0
2015  8 nan nan 0
2015  9 -9.28955e-02 7.03731e-02 64
2015 10 2.05477e-02 1.21204e-01 205
2015 11 -7.23098e-02 9.16191e-02 134
2015 12 -7.12488e-02 1.94946e-01 209
2016  1 1.19039e-02 6.64593e-02 368
2016  2 -2.20923e-02 5.77268e-02 218
2016  3 1.80875e-02 9.87476e-03 97
2016  4 3.01569e-02 1.40861e-02 85
2016  5 6.71163e-02 1.65395e-02 16
2016  6 nan nan 0
2016  7 nan nan 0
2016  8 9.45520e-02 3.71681e-02 24
2016  9 2.83875e-02 8.58029e-03 89
2016 10 2.29621e-02 1.31897e-01 53
2016 11 9.68255e-02 8.86913e-02 303
2016 12 1.46955e-02 5.45805e-02 442
2017  1 -1.68864e-02 8.10987e-02 724
2017  2 2.99773e-02 3.35198e-02 252
2017  3 3.77304e-02 4.05828e-02 282
2017  4 3.76647e-02 2.40675e-02 127
2017  5 5.78972e-02 7.11757e-02 144
2017  6 2.43474e-02 0.00000e+00 6
2017  7 1.76684e-02 6.67604e-02 44
2017  8 -1.92391e-01 7.24005e-03 64
2017  9 8.65684e-02 1.27027e-01 126
2017 10 4.50934e-02 4.15243e-02 88
2017 11 -6.68993e-02 1.49859e-01 319
2017 12 -2.40287e-02 9.37501e-02 325
2018  1 2.19678e-03 7.41294e-02 351
2018  2 2.01672e-02 2.19422e-03 13
2018  3 3.56957e-02 1.33037e-01 440
2018  4 1.15253e-02 2.89582e-03 192
2018  5 nan nan 0
2018  6 6.25421e-02 1.69908e-02 64
2018  7 1.22524e-02 5.15864e-04 59
2018  8 nan nan 0
2018  9 5.02314e-02 7.81375e-03 77
2018 10 -2.63462e-02 1.15053e-01 264
2018 11 -2.17058e-02 8.75421e-02 669
2018 12 -9.95509e-03 8.15793e-02 480
2019  1 9.42270e-03 4.69467e-02 277
2019  2 -3.48734e-02 4.81906e-02 207
2019  3 -8.88034e-03 2.98781e-02 138
2019  4 3.03819e-04 4.34685e-02 241
2019  5 2.16808e-02 9.44883e-04 20
2019  6 -1.11845e-02 4.62743e-02 28
2019  7 3.87503e-02 1.83605e-04 2
2019  8 3.34282e-02 3.43586e-03 64
2019  9 nan nan 0
2019 10 6.62861e-02 1.18413e-01 301
2019 11 3.65573e-02 5.58591e-02 572
2019 12 4.04934e-02 2.08150e-02 423
2020  1 1.81974e-02 5.21049e-02 475
2020  2 8.70281e-03 4.39130e-02 409
2020  3 2.20095e-02 1.42353e-02 227
2020  4 3.56304e-02 1.16268e-02 132
2020  5 1.28711e-02 2.83774e-03 64
2020  6 2.00972e-02 3.89827e-03 13
2020  7 nan nan 0
2020  8 3.81587e-02 2.82358e-02 49
2020  9 5.43302e-02 3.48804e-02 173
2020 10 5.12187e-02 9.54954e-02 227
2020 11 -2.97491e-02 8.33139e-02 151
2020 12 2.44556e-02 5.05268e-02 576
2021  1 2.30845e-02 7.88282e-02 614
2021  2 3.24791e-02 1.39251e-02 382
2021  3 -1.21883e-02 3.74182e-02 137
2021  4 2.79194e-02 4.39847e-03 66
2021  5 1.20092e-02 1.32592e-03 39
2021  6 nan nan 0
2021  7 2.84186e-02 1.43743e-03 2
2021  8 2.86699e-02 3.30365e-03 18
2021  9 7.56577e-03 3.13050e-02 92
2021 10 -8.33346e-02 1.46151e-01 282
2021 11 -1.21891e-02 6.90246e-02 456
2021 12 1.83833e-02 9.44247e-02 359
2022  1 2.87052e-02 1.24022e-02 789
2022  2 2.71302e-02 1.20820e-02 282
2022  3 1.61521e-02 1.95557e-03 75
2022  4 1.75969e-02 8.01154e-03 64
2022  5 2.18110e-02 3.62482e-03 64
2022  6 1.13667e-02 6.02546e-03 9
2022  7 nan nan 0
2022  8 nan nan 0
2022  9 6.56942e-02 7.62718e-02 85
2022 10 5.29288e-02 3.01660e-02 271
2022 11 3.95741e-02 1.52742e-02 347
2022 12 5.03689e-02 2.58504e-02 646
2023  1 2.51597e-02 1.92190e-02 607
2023  2 1.14415e-02 3.76772e-03 273
2023  3 2.00832e-02 1.51555e-02 628
2023  4 1.50163e-02 3.21704e-03 129
2023  5 9.69450e-03 1.91336e-03 90
2023  6 1.34419e-02 5.18246e-03 189
2023  7 nan nan 0
2023  8 1.46141e-02 1.27803e-03 64
2023  9 3.18286e-02 7.08610e-03 63
2023 10 1.87385e-02 1.01866e-02 177
2023 11 4.42843e-02 2.03334e-02 342
2023 12 4.65795e-02 4.38348e-02 574
2024  1 3.07813e-02 1.70760e-02 700
2024  2 4.78784e-02 5.23707e-02 563
2024  3 2.33592e-02 1.01548e-02 362
2024  4 1.21483e-02 1.00124e-02 83