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 7.50150e-02 6.94989e-02 51
2002  8 6.48171e-02 7.40946e-03 136
2002  9 5.68670e-02 2.21887e-02 157
2002 10 6.44392e-02 1.10672e-02 183
2002 11 5.60503e-02 1.34016e-02 487
2002 12 6.97179e-02 7.03170e-02 422
2003  1 6.17416e-02 1.89337e-02 580
2003  2 5.46000e-02 1.40630e-02 372
2003  3 5.26319e-02 6.46260e-03 200
2003  4 6.26427e-02 9.56619e-03 60
2003  5 4.25032e-02 1.00522e-02 143
2003  6 8.34884e-02 5.63694e-02 59
2003  7 5.54826e-02 7.04540e-03 37
2003  8 6.05220e-02 2.70015e-02 92
2003  9 5.90585e-02 1.47055e-02 79
2003 10 4.28846e-02 6.85063e-03 385
2003 11 8.90049e-02 3.31783e-02 95
2003 12 5.46150e-02 1.20762e-02 246
2004  1 5.36024e-02 6.41548e-02 428
2004  2 5.84073e-02 1.65694e-02 546
2004  3 4.55048e-02 2.04761e-02 326
2004  4 5.95747e-02 3.28686e-02 399
2004  5 4.12240e-02 2.09980e-03 37
2004  6 5.34893e-02 2.12410e-02 129
2004  7 7.66345e-02 5.88982e-02 177
2004  8 5.95154e-02 6.46941e-02 76
2004  9 6.96025e-02 1.28643e-02 142
2004 10 6.04574e-02 8.25132e-03 118
2004 11 4.66246e-02 7.64388e-03 173
2004 12 5.64105e-02 1.04632e-02 324
2005  1 5.61189e-02 1.75474e-02 170
2005  2 6.93749e-02 2.77228e-02 142
2005  3 4.85487e-02 6.61376e-03 493
2005  4 5.32934e-02 3.78403e-02 267
2005  5 4.82136e-02 9.31685e-03 135
2005  6 nan nan 0
2005  7 6.36787e-02 1.20000e-02 79
2005  8 5.63605e-02 4.62634e-03 115
2005  9 5.61832e-02 1.06914e-02 109
2005 10 5.36762e-02 5.15395e-03 148
2005 11 5.31177e-02 7.83260e-03 278
2005 12 1.14304e-01 2.16169e-01 391
2006  1 4.58769e-02 6.69501e-03 156
2006  2 5.25041e-02 2.32273e-02 498
2006  3 5.96724e-02 6.67850e-03 325
2006  4 5.78741e-02 3.70335e-02 201
2006  5 5.11979e-02 1.72503e-02 214
2006  6 3.85049e-02 2.32184e-03 59
2006  7 4.97895e-02 5.86719e-03 51
2006  8 5.25639e-02 6.06315e-03 97
2006  9 4.96724e-02 5.53100e-03 220
2006 10 5.42684e-02 1.11952e-02 219
2006 11 6.19161e-02 1.04968e-02 426
2006 12 6.66293e-02 1.46606e-02 377
2007  1 6.89976e-02 1.04669e-02 457
2007  2 5.63274e-02 1.11370e-02 676
2007  3 4.85277e-02 2.35043e-02 223
2007  4 5.21152e-02 1.39850e-02 201
2007  5 4.33202e-02 6.31981e-03 158
2007  6 4.88422e-02 3.02975e-03 68
2007  7 6.05507e-02 3.28912e-02 124
2007  8 5.67907e-02 8.39790e-03 64
2007  9 6.74285e-02 3.62166e-02 104
2007 10 6.49774e-02 2.99045e-02 125
2007 11 5.90743e-02 1.28464e-02 331
2007 12 5.62237e-02 1.49831e-02 234
2008  1 6.51995e-02 1.74206e-02 394
2008  2 5.72388e-02 1.07925e-02 537
2008  3 5.59199e-02 8.09227e-03 228
2008  4 4.57899e-02 1.38621e-02 186
2008  5 5.17283e-02 9.03228e-03 176
2008  6 5.89313e-02 1.17149e-02 59
2008  7 4.34820e-02 7.99284e-03 157
2008  8 4.82153e-02 9.95566e-03 130
2008  9 5.31201e-02 8.71670e-03 254
2008 10 6.93598e-02 1.15567e-01 329
2008 11 5.53794e-02 3.48752e-02 496
2008 12 5.59489e-02 9.62079e-03 330
2009  1 5.27160e-02 1.55956e-02 412
2009  2 5.54341e-02 1.45864e-02 346
2009  3 5.64104e-02 1.02523e-02 156
2009  4 6.90994e-02 2.33265e-02 312
2009  5 5.58809e-02 1.94539e-03 87
2009  6 4.95342e-02 7.10594e-03 101
2009  7 4.59978e-02 1.23319e-02 126
2009  8 5.43818e-02 4.12046e-02 113
2009  9 5.32668e-02 1.06989e-02 335
2009 10 5.74952e-02 1.59440e-02 368
2009 11 5.52373e-02 1.62944e-02 236
2009 12 5.39460e-02 1.29494e-02 381
2010  1 7.27979e-02 4.22246e-02 474
2010  2 5.42591e-02 7.36818e-03 365
2010  3 5.11232e-02 1.59834e-02 376
2010  4 5.27357e-02 3.05343e-02 183
2010  5 5.10238e-02 3.03994e-02 193
2010  6 5.37184e-02 3.86436e-03 65
2010  7 5.42112e-02 2.42233e-03 54
2010  8 6.65297e-02 1.99488e-02 152
2010  9 6.03324e-02 1.39399e-02 205
2010 10 5.16899e-02 1.33378e-02 255
2010 11 7.19850e-02 1.02745e-02 278
2010 12 8.19803e-02 9.25850e-02 362
2011  1 5.10187e-02 9.82733e-03 460
2011  2 6.35742e-02 2.64406e-02 435
2011  3 5.98135e-02 6.22639e-02 348
2011  4 5.37585e-02 4.01065e-02 334
2011  5 1.14483e-01 1.69906e-01 76
2011  6 5.26083e-02 4.03249e-03 49
2011  7 4.44389e-02 7.63417e-03 64
2011  8 5.14694e-02 1.65668e-04 8
2011  9 5.45420e-02 8.52805e-03 175
2011 10 4.95880e-02 6.66364e-03 185
2011 11 5.16529e-02 2.38896e-02 250
2011 12 6.09533e-02 1.15645e-02 197
2012  1 6.43996e-02 9.24503e-03 476
2012  2 4.74980e-02 2.35703e-02 365
2012  3 4.38684e-02 3.09824e-02 223
2012  4 5.54257e-02 6.58294e-03 175
2012  5 5.18437e-02 1.00232e-02 64
2012  6 4.98583e-02 8.45936e-03 108
2012  7 4.63094e-02 3.76960e-03 89
2012  8 6.40035e-02 8.41142e-03 69
2012  9 6.75821e-02 2.73222e-02 379
2012 10 6.90102e-02 1.81350e-02 272
2012 11 6.04219e-02 7.43267e-03 330
2012 12 5.73226e-02 1.94638e-02 397
2013  1 6.70835e-02 1.73609e-02 316
2013  2 6.23757e-02 9.78183e-03 492
2013  3 6.41815e-02 1.69748e-02 333
2013  4 5.16575e-02 1.68137e-02 282
2013  5 4.86325e-02 1.01296e-02 137
2013  6 nan nan 0
2013  7 4.79679e-02 8.37030e-03 144
2013  8 5.19728e-02 6.87077e-03 145
2013  9 5.52002e-02 5.69624e-03 259
2013 10 6.70169e-02 8.08428e-02 142
2013 11 5.88561e-02 8.23556e-03 270
2013 12 5.54562e-02 1.06082e-02 385
2014  1 6.74820e-02 1.73159e-02 523
2014  2 6.08871e-02 2.10174e-02 416
2014  3 5.86087e-02 2.26352e-02 479
2014  4 4.89761e-02 2.14881e-02 269
2014  5 4.58711e-02 8.83485e-03 188
2014  6 1.10620e-01 1.52092e-01 129
2014  7 4.37076e-02 2.69552e-03 35
2014  8 4.25368e-02 3.55741e-03 120
2014  9 5.57229e-02 9.61901e-03 218
2014 10 6.20351e-02 9.05960e-03 301
2014 11 7.67353e-02 5.40348e-02 412
2014 12 5.66111e-02 1.10629e-02 402
2015  1 5.75417e-02 1.96522e-02 364
2015  2 5.46178e-02 1.54070e-02 232
2015  3 4.92452e-02 1.87038e-02 198
2015  4 5.74167e-02 1.40013e-02 230
2015  5 6.89607e-02 3.50897e-02 108
2015  6 5.62740e-02 2.29855e-03 37
2015  7 4.38179e-02 2.04015e-04 13
2015  8 4.33120e-02 5.34555e-03 240
2015  9 5.72707e-02 9.43535e-03 266
2015 10 5.76090e-02 7.27424e-03 328
2015 11 5.87949e-02 1.15238e-02 310
2015 12 6.02739e-02 9.27752e-02 457
2016  1 6.97453e-02 7.48669e-02 549
2016  2 6.29190e-02 1.06768e-02 216
2016  3 5.53394e-02 9.80790e-03 306
2016  4 5.27522e-02 1.62803e-02 306
2016  5 5.65235e-02 7.87162e-03 98
2016  6 5.22452e-02 4.90410e-03 110
2016  7 5.22414e-02 7.83554e-03 64
2016  8 nan nan 0
2016  9 5.59572e-02 1.73370e-02 164
2016 10 6.53910e-02 7.62130e-03 121
2016 11 5.20855e-02 1.31347e-02 31
2016 12 5.58096e-02 1.09838e-02 475
2017  1 6.74560e-02 2.70199e-02 424
2017  2 5.13684e-02 9.56600e-03 390
2017  3 5.16638e-02 1.05314e-02 151
2017  4 5.52584e-02 7.18863e-03 113
2017  5 5.81623e-02 1.96103e-02 233
2017  6 4.76624e-02 9.05153e-03 119
2017  7 5.29789e-02 8.64357e-03 114
2017  8 nan nan 0
2017  9 5.24181e-02 1.62367e-02 114
2017 10 5.31311e-02 4.91373e-02 237
2017 11 6.02166e-02 1.24593e-02 215
2017 12 5.08638e-02 7.81784e-03 315
2018  1 5.14868e-02 9.76567e-03 377
2018  2 4.91983e-02 1.13580e-02 300
2018  3 6.16562e-02 2.69135e-02 335
2018  4 5.79402e-02 4.34400e-02 385
2018  5 4.67106e-02 2.31436e-02 257
2018  6 4.95525e-02 1.46240e-02 74
2018  7 6.66932e-02 3.30611e-02 127
2018  8 4.93984e-02 9.60324e-03 119
2018  9 5.45457e-02 8.93047e-03 191
2018 10 6.43264e-02 1.28288e-02 296
2018 11 5.30507e-02 7.67431e-03 371
2018 12 4.82301e-02 8.11495e-03 296
2019  1 5.16139e-02 8.61299e-03 432
2019  2 6.25554e-02 8.22036e-02 436
2019  3 4.82339e-02 1.94052e-02 323
2019  4 5.16075e-02 6.47638e-03 260
2019  5 4.79621e-02 5.86694e-03 55
2019  6 5.24017e-02 7.62419e-03 192
2019  7 4.00806e-02 2.57623e-03 50
2019  8 4.47812e-02 1.01867e-02 197
2019  9 4.66561e-02 8.14112e-03 262
2019 10 4.90425e-02 9.27189e-03 205
2019 11 8.40092e-02 7.03295e-02 450
2019 12 6.33333e-02 9.02598e-03 449
2020  1 7.62542e-02 8.36885e-02 220
2020  2 5.90596e-02 9.29360e-03 514
2020  3 6.21815e-02 8.43725e-02 284
2020  4 4.21556e-02 8.95306e-03 505
2020  5 4.93832e-02 6.01629e-03 115
2020  6 5.71460e-02 6.56191e-03 241
2020  7 5.46908e-02 1.26853e-02 175
2020  8 4.66161e-02 8.89538e-03 127
2020  9 4.57186e-02 7.14870e-03 127
2020 10 5.36999e-02 9.00967e-03 259
2020 11 5.93250e-02 3.20353e-02 422
2020 12 1.04896e-01 1.63333e-01 402
2021  1 6.15965e-02 1.31809e-02 548
2021  2 5.27574e-02 1.15568e-02 373
2021  3 4.59757e-02 7.38940e-03 265
2021  4 4.51837e-02 7.65824e-03 185
2021  5 4.60222e-02 6.66934e-03 127
2021  6 7.88023e-02 6.06996e-03 31
2021  7 6.64662e-02 1.63039e-02 193
2021  8 5.12315e-02 4.74206e-03 36
2021  9 6.15732e-02 8.36585e-02 211
2021 10 5.21365e-02 6.90997e-03 371
2021 11 6.18985e-02 5.14020e-02 332
2021 12 5.95786e-02 2.81579e-02 374
2022  1 6.54101e-02 8.05507e-03 636
2022  2 6.23223e-02 9.68369e-03 301
2022  3 5.00473e-02 1.86359e-02 169
2022  4 3.81226e-02 1.02066e-03 31
2022  5 3.52053e-02 1.90483e-03 38
2022  6 4.31576e-02 2.79884e-02 288
2022  7 4.21576e-02 5.73928e-03 85
2022  8 5.35747e-02 3.13059e-02 166
2022  9 6.63551e-02 1.71352e-02 147
2022 10 4.15137e-02 7.30077e-03 211
2022 11 6.09121e-02 6.68436e-02 453
2022 12 8.82434e-02 1.62824e-01 834
2023  1 6.09756e-02 1.41018e-02 623
2023  2 5.79154e-02 1.53604e-02 338
2023  3 7.24037e-02 9.68428e-02 490
2023  4 4.95488e-02 5.07206e-02 629
2023  5 4.75517e-02 1.85342e-02 476
2023  6 5.00187e-02 3.39961e-03 193
2023  7 nan nan 0
2023  8 5.60000e-02 2.16086e-02 300
2023  9 5.81432e-02 8.57773e-03 243
2023 10 4.76313e-02 9.63086e-03 377
2023 11 4.19193e-02 6.62635e-03 431
2023 12 5.79481e-02 8.46236e-02 489
2024  1 5.60504e-02 1.81576e-02 405
2024  2 5.74613e-02 3.66960e-02 506
2024  3 5.01017e-02 2.96995e-02 362
2024  4 5.80444e-02 4.58532e-02 9