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 1.68800e-02 1.86054e-03 20
2002  8 2.42314e-02 2.11532e-02 35
2002  9 -2.04222e-02 5.97831e-02 63
2002 10 2.79345e-02 1.05994e-01 336
2002 11 -1.36176e-02 1.10474e-01 591
2002 12 3.27821e-02 4.49906e-02 414
2003  1 1.06361e-03 8.72095e-02 404
2003  2 5.46939e-02 5.93091e-02 445
2003  3 -2.22155e-02 7.67694e-02 239
2003  4 4.73500e-02 3.56966e-03 4
2003  5 -3.97244e-02 5.23925e-02 41
2003  6 1.42281e-02 1.31701e-03 32
2003  7 nan nan 0
2003  8 6.79212e-02 2.16450e-02 104
2003  9 3.92593e-02 2.21411e-02 135
2003 10 2.23271e-02 5.25512e-02 188
2003 11 6.53940e-02 1.34726e-01 417
2003 12 2.90549e-02 9.07718e-02 346
2004  1 7.04288e-02 6.55081e-02 309
2004  2 1.94891e-02 6.44648e-02 558
2004  3 3.42708e-02 6.81471e-02 322
2004  4 1.29747e-02 8.03995e-02 257
2004  5 -3.66667e-02 7.14518e-02 72
2004  6 5.27394e-02 9.26652e-03 33
2004  7 4.72227e-02 1.84746e-02 22
2004  8 -5.87526e-02 4.52813e-02 19
2004  9 -3.37237e-02 6.82605e-02 59
2004 10 1.95108e-02 1.19291e-01 223
2004 11 -5.04205e-02 1.82697e-01 351
2004 12 7.05686e-02 6.65579e-02 455
2005  1 1.03348e-02 1.08700e-01 187
2005  2 -5.00498e-02 1.59867e-01 297
2005  3 3.19315e-02 5.86332e-02 289
2005  4 -7.83308e-02 4.93558e-02 91
2005  5 -1.05725e-01 1.50492e-01 71
2005  6 nan nan 0
2005  7 1.81721e-02 1.65056e-03 43
2005  8 3.34600e-02 7.05974e-04 15
2005  9 1.38000e-02 0.00000e+00 1
2005 10 2.11202e-02 5.46722e-02 168
2005 11 3.54781e-02 1.26812e-01 215
2005 12 4.82144e-02 8.80446e-02 526
2006  1 -1.27896e-02 1.25185e-01 250
2006  2 -4.07643e-02 1.20584e-01 485
2006  3 -6.67374e-04 9.98448e-02 236
2006  4 nan nan 0
2006  5 3.95000e-02 0.00000e+00 1
2006  6 nan nan 0
2006  7 1.98490e-02 5.77920e-03 100
2006  8 nan nan 0
2006  9 7.32426e-02 2.82860e-02 204
2006 10 8.74138e-03 9.30702e-02 203
2006 11 3.85487e-02 5.83879e-02 452
2006 12 4.42364e-03 1.04274e-01 461
2007  1 4.42033e-03 8.44106e-02 600
2007  2 6.05029e-03 8.66903e-02 505
2007  3 2.40038e-02 1.54072e-02 52
2007  4 2.95346e-02 1.15989e-02 127
2007  5 2.69545e-02 4.10684e-03 11
2007  6 -8.76100e-02 2.86367e-02 30
2007  7 2.04000e-02 0.00000e+00 1
2007  8 4.73341e-02 2.93728e-01 123
2007  9 -1.05778e-01 1.35512e-01 195
2007 10 4.40563e-02 1.24379e-01 142
2007 11 9.61066e-02 1.06158e-01 181
2007 12 -5.25855e-02 1.19124e-01 441
2008  1 -1.66156e-02 1.61597e-01 422
2008  2 -3.88280e-02 9.27877e-02 467
2008  3 1.49849e-02 5.46725e-02 259
2008  4 5.29025e-02 9.94773e-03 121
2008  5 -9.70746e-03 4.26594e-02 67
2008  6 nan nan 0
2008  7 2.01800e-02 3.69866e-03 65
2008  8 3.18138e-02 9.77689e-03 109
2008  9 2.86716e-02 8.92908e-03 148
2008 10 -6.05504e-04 8.23199e-02 418
2008 11 -3.08982e-02 9.47288e-02 389
2008 12 1.33636e-02 1.28636e-01 343
2009  1 -2.98350e-02 1.16266e-01 446
2009  2 6.96788e-03 4.33943e-02 165
2009  3 -4.11212e-02 1.32733e-01 118
2009  4 1.59036e-02 2.41477e-02 275
2009  5 3.20532e-02 6.92952e-02 62
2009  6 2.39051e-02 7.50205e-03 59
2009  7 -3.37301e-03 6.63538e-02 163
2009  8 1.26200e-02 5.66645e-02 50
2009  9 6.43712e-04 1.70789e-01 79
2009 10 -2.90638e-04 6.64745e-02 264
2009 11 2.69394e-02 1.66086e-01 394
2009 12 -2.58068e-03 1.43936e-01 493
2010  1 1.66034e-02 9.21180e-02 465
2010  2 -4.53307e-02 1.14449e-01 238
2010  3 8.99282e-03 5.00161e-02 223
2010  4 2.47973e-02 2.74672e-02 110
2010  5 2.50360e-02 1.87742e-03 25
2010  6 3.66583e-02 1.66727e-02 163
2010  7 -9.16200e-02 4.22144e-03 20
2010  8 4.18650e-02 1.49458e-02 123
2010  9 -1.12796e-01 1.72511e-02 48
2010 10 2.10694e-02 8.05253e-02 248
2010 11 -7.68194e-03 9.60094e-02 144
2010 12 -1.62662e-02 1.54083e-01 302
2011  1 -1.95879e-02 8.63341e-02 339
2011  2 2.79554e-02 5.94218e-02 267
2011  3 -2.53003e-02 1.03316e-01 335
2011  4 -4.95896e-03 7.80116e-02 290
2011  5 7.03290e-02 2.86924e-02 69
2011  6 4.23324e-02 7.11009e-03 34
2011  7 2.96800e-02 7.56716e-03 70
2011  8 9.37288e-03 6.83642e-02 59
2011  9 -6.70569e-02 9.99821e-02 144
2011 10 6.45611e-03 9.23565e-02 360
2011 11 1.33344e-01 4.67018e-01 311
2011 12 1.02513e-01 8.63269e-02 344
2012  1 4.67281e-02 9.80535e-02 531
2012  2 1.12824e-02 8.34816e-02 391
2012  3 4.26122e-02 1.96260e-01 213
2012  4 2.62069e-02 1.91833e-02 101
2012  5 4.48035e-02 1.91153e-02 113
2012  6 -1.88900e-02 3.83020e-02 40
2012  7 1.76111e-02 3.33590e-03 36
2012  8 2.37516e-02 3.89970e-03 31
2012  9 -3.89306e-03 6.98906e-02 173
2012 10 4.95970e-02 2.51291e-02 135
2012 11 4.30970e-03 1.18380e-01 299
2012 12 2.29836e-02 5.69591e-02 286
2013  1 2.59970e-02 5.22089e-02 266
2013  2 -1.41066e-02 9.47592e-02 440
2013  3 3.02566e-03 6.32555e-02 191
2013  4 2.99219e-02 1.22211e-02 169
2013  5 3.70655e-02 5.25172e-03 58
2013  6 nan nan 0
2013  7 -2.53715e-02 5.75982e-02 123
2013  8 2.46467e-02 2.47329e-03 15
2013  9 -7.55923e-02 1.21341e-01 65
2013 10 3.52962e-02 1.31867e-02 53
2013 11 3.08263e-02 9.39166e-02 354
2013 12 1.42636e-02 9.73561e-02 456
2014  1 1.73338e-02 5.73827e-02 648
2014  2 2.27376e-02 4.34715e-02 466
2014  3 3.33995e-02 3.57428e-02 390
2014  4 2.21667e-02 2.76929e-02 177
2014  5 1.72696e-02 1.71956e-03 23
2014  6 3.62818e-02 3.85176e-03 33
2014  7 -4.15414e-02 1.09618e-01 70
2014  8 3.01761e-02 4.59254e-02 113
2014  9 9.55088e-03 5.36037e-02 57
2014 10 9.66304e-03 5.45158e-02 184
2014 11 3.09331e-02 5.19893e-02 429
2014 12 3.62037e-02 8.66665e-02 457
2015  1 3.20672e-02 5.86939e-02 466
2015  2 -9.91153e-03 9.13350e-02 347
2015  3 3.06430e-02 2.22548e-02 237
2015  4 1.96152e-02 3.07348e-02 112
2015  5 3.60227e-02 3.72676e-02 88
2015  6 nan nan 0
2015  7 nan nan 0
2015  8 1.22121e-02 4.11483e-02 199
2015  9 3.67368e-02 1.57270e-01 204
2015 10 3.41679e-02 2.70757e-02 296
2015 11 -4.29255e-02 1.13943e-01 271
2015 12 4.09414e-03 5.66288e-02 256
2016  1 3.28428e-02 2.91784e-02 346
2016  2 -1.08346e-02 5.79360e-02 373
2016  3 3.22353e-04 6.49648e-02 170
2016  4 2.76472e-02 5.37643e-02 106
2016  5 2.38861e-02 3.28525e-03 36
2016  6 3.71645e-02 9.15254e-03 62
2016  7 2.95868e-02 2.49152e-02 68
2016  8 2.69644e-02 2.09373e-02 118
2016  9 1.90526e-02 4.70441e-02 304
2016 10 6.25080e-02 4.42068e-02 162
2016 11 -2.20712e-01 6.14056e-02 56
2016 12 -2.05070e-03 6.09955e-02 286
2017  1 -8.59155e-03 9.08368e-02 367
2017  2 -1.69484e-02 9.04281e-02 372
2017  3 2.41154e-02 3.03450e-02 182
2017  4 4.20974e-02 1.95476e-02 193
2017  5 -2.74853e-03 4.47999e-02 68
2017  6 5.07586e-03 3.77568e-02 87
2017  7 1.63785e-02 8.79878e-02 79
2017  8 -4.09984e-02 4.98243e-02 63
2017  9 -7.01729e-02 9.08664e-02 107
2017 10 1.78304e-02 1.52227e-01 158
2017 11 -4.25935e-02 1.18044e-01 293
2017 12 9.82083e-03 7.93352e-02 432
2018  1 -1.12418e-02 1.02939e-01 232
2018  2 2.82485e-02 8.32555e-02 456
2018  3 -2.73983e-02 1.38317e-01 173
2018  4 2.38194e-02 7.62967e-03 103
2018  5 1.96300e-02 3.98524e-03 40
2018  6 2.87163e-02 2.14920e-02 80
2018  7 2.44636e-02 7.92995e-03 77
2018  8 -1.32271e-02 6.02484e-02 107
2018  9 2.45596e-02 4.34619e-02 89
2018 10 1.42821e-02 4.72561e-02 240
2018 11 -3.95789e-02 1.22917e-01 541
2018 12 1.51929e-02 5.54433e-02 523
2019  1 -2.86648e-02 9.27326e-02 469
2019  2 -1.84904e-03 6.38405e-02 522
2019  3 1.56705e-02 1.51099e-01 308
2019  4 2.51759e-02 2.15385e-02 241
2019  5 2.89000e-02 0.00000e+00 1
2019  6 4.26512e-03 2.17835e-02 43
2019  7 nan nan 0
2019  8 1.93022e-02 6.34246e-03 89
2019  9 1.47800e-02 8.51822e-04 15
2019 10 -2.43920e-02 6.41785e-02 224
2019 11 2.21642e-03 1.01306e-01 597
2019 12 -3.81749e-03 9.65726e-02 486
2020  1 5.00104e-02 6.34800e-02 394
2020  2 -3.54932e-02 1.25287e-01 337
2020  3 1.91505e-02 4.18920e-02 182
2020  4 2.38370e-02 2.66672e-02 238
2020  5 2.59999e-04 2.78508e-02 95
2020  6 -1.31832e-02 6.36861e-02 208
2020  7 -4.25289e-02 8.56275e-02 218
2020  8 1.35184e-02 4.88830e-02 49
2020  9 8.58243e-02 5.24692e-02 107
2020 10 -6.49319e-03 1.49646e-01 191
2020 11 1.30879e-03 1.14169e-01 330
2020 12 3.52715e-02 9.16381e-02 460
2021  1 2.15131e-02 5.99090e-02 634
2021  2 1.06121e-02 7.05183e-02 348
2021  3 3.46196e-02 3.60500e-02 204
2021  4 1.31682e-02 1.90104e-02 170
2021  5 1.71250e-03 3.27397e-02 72
2021  6 nan nan 0
2021  7 4.80254e-02 1.38734e-02 71
2021  8 3.16564e-02 3.43734e-03 39
2021  9 -3.43121e-03 8.66378e-02 173
2021 10 -1.97320e-02 1.09946e-01 178
2021 11 -4.10605e-03 8.12327e-02 529
2021 12 2.42107e-02 4.81676e-02 375
2022  1 4.55751e-02 3.86299e-02 867
2022  2 9.30157e-02 6.98949e-02 496
2022  3 4.76782e-02 3.54290e-02 142
2022  4 1.27136e-02 1.12221e-03 22
2022  5 2.92838e-02 1.15528e-02 105
2022  6 1.90333e-02 4.89323e-03 120
2022  7 1.23526e-02 4.88697e-03 76
2022  8 2.80194e-02 5.63750e-03 98
2022  9 7.17292e-02 1.06797e-01 219
2022 10 7.63976e-02 3.12447e-02 246
2022 11 7.05484e-02 4.74105e-02 637
2022 12 8.49082e-02 6.27343e-02 957
2023  1 7.20552e-02 6.92894e-02 555
2023  2 6.04403e-02 4.66357e-02 296
2023  3 5.20252e-02 5.17751e-02 362
2023  4 2.36388e-02 6.42635e-03 191
2023  5 2.51090e-02 1.26411e-02 179
2023  6 2.31751e-02 3.90655e-03 24
2023  7 3.62690e-02 9.61153e-03 45
2023  8 2.67478e-02 1.45906e-02 130
2023  9 5.24289e-02 1.98630e-02 236
2023 10 7.27744e-02 4.09616e-02 113
2023 11 6.99117e-02 4.12827e-02 421
2023 12 5.44832e-02 3.30441e-02 404
2024  1 3.86354e-02 2.78000e-02 730
2024  2 6.75815e-02 5.98926e-02 398
2024  3 4.38851e-02 2.72126e-02 314
2024  4 2.23053e-02 1.35133e-02 209
2024  5 4.90531e-02 1.19425e-02 83
2024  6 3.11303e-02 9.32027e-03 43
2024  7 1.63471e-02 4.88962e-03 51
2024  8 3.24917e-02 1.26143e-02 72
2024  9 4.06099e-02 1.96644e-02 183
2024 10 2.22446e-02 1.23816e-02 128
2024 11 nan nan 0