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 2.84584e+01 1.40427e+01 222
2002  8 3.12576e+01 8.75622e+00 31
2002  9 3.02113e+01 8.45677e+00 81
2002 10 1.91206e+01 8.90404e+00 151
2002 11 2.36893e+01 6.80218e+00 101
2002 12 1.67522e+01 5.49514e+00 37
2003  1 1.96772e+01 5.91645e+00 119
2003  2 1.90720e+01 6.65832e+00 372
2003  3 1.87745e+01 9.36830e+00 479
2003  4 2.30034e+01 9.33047e+00 327
2003  5 2.26787e+01 7.34576e+00 292
2003  6 3.69333e+01 2.84157e+00 29
2003  7 3.29594e+01 1.03261e+01 81
2003  8 3.57558e+01 5.20319e+00 92
2003  9 3.13467e+01 9.71657e+00 184
2003 10 2.35413e+01 6.31642e+00 219
2003 11 2.23460e+01 4.62018e+00 82
2003 12 1.93471e+01 4.16183e+00 51
2004  1 1.76911e+01 7.90422e+00 70
2004  2 2.13698e+01 5.40608e+00 140
2004  3 1.76517e+01 8.15656e+00 304
2004  4 2.26730e+01 1.07653e+01 164
2004  5 2.85409e+01 1.37087e+01 132
2004  6 3.55488e+01 1.06359e+01 347
2004  7 3.64275e+01 1.05876e+01 193
2004  8 2.66167e+01 1.28093e+01 435
2004  9 1.77927e+01 8.74577e+00 96
2004 10 1.39985e+01 9.44265e+00 189
2004 11 1.95156e+01 6.41999e+00 142
2004 12 1.68973e+01 5.57188e+00 40
2005  1 1.35419e+01 8.61065e+00 134
2005  2 1.96158e+01 9.11559e+00 152
2005  3 2.24101e+01 9.61097e+00 259
2005  4 2.93668e+01 9.09177e+00 127
2005  5 2.82875e+01 1.33879e+01 298
2005  6 3.52583e+01 5.64223e+00 85
2005  7 3.53817e+01 6.97581e+00 75
2005  8 1.42984e+01 9.87694e+00 147
2005  9 2.84313e+01 8.56244e+00 373
2005 10 1.57891e+01 8.44487e+00 54
2005 11 5.65068e+00 8.04205e+00 90
2005 12 1.72122e+01 4.89936e+00 544
2006  1 8.02347e+00 5.20021e+00 496
2006  2 2.43536e+01 8.56082e+00 43
2006  3 1.92334e+01 1.26445e+01 216
2006  4 1.90016e+01 1.14000e+01 148
2006  5 2.48131e+01 1.49554e+01 318
2006  6 2.04767e+01 1.49508e+01 335
2006  7 2.73485e+01 1.39570e+01 97
2006  8 1.76835e+01 9.78331e+00 120
2006  9 1.92843e+01 9.74843e+00 277
2006 10 1.95756e+01 8.38042e+00 229
2006 11 1.61449e+01 8.37973e+00 128
2006 12 9.11718e+00 4.42811e+00 42
2007  1 1.46983e+01 7.59884e+00 180
2007  2 1.86832e+01 8.80815e+00 26
2007  3 1.87002e+01 1.03735e+01 94
2007  4 2.52076e+01 1.15630e+01 184
2007  5 3.07205e+01 1.43374e+01 93
2007  6 2.26901e+01 1.41905e+01 198
2007  7 3.36370e+01 9.05708e+00 202
2007  8 3.30049e+01 7.34068e+00 117
2007  9 1.73193e+01 1.08594e+01 108
2007 10 1.53640e+01 7.11789e+00 80
2007 11 1.90960e+01 8.14452e+00 170
2007 12 1.82734e+01 5.77115e+00 101
2008  1 1.37886e+01 6.62239e+00 77
2008  2 1.43472e+01 8.59529e+00 141
2008  3 2.16502e+01 8.75721e+00 187
2008  4 2.11828e+01 1.11492e+01 212
2008  5 3.19187e+01 9.50191e+00 211
2008  6 3.90863e+01 7.85552e+00 154
2008  7 3.73548e+01 6.21927e+00 215
2008  8 3.61036e+01 7.15842e+00 215
2008  9 2.12157e+01 1.00601e+01 88
2008 10 1.73697e+01 9.49200e+00 137
2008 11 1.75066e+01 6.82778e+00 208
2008 12 1.34371e+01 4.84264e+00 46
2009  1 1.23014e+01 5.24175e+00 50
2009  2 1.78858e+01 7.90571e+00 31
2009  3 2.02925e+01 1.05979e+01 170
2009  4 2.64753e+01 1.00305e+01 283
2009  5 1.52052e+01 6.83859e+00 82
2009  6 3.15787e+01 1.13771e+01 288
2009  7 2.44876e+01 1.40325e+01 283
2009  8 3.02587e+01 1.13871e+01 45
2009  9 2.28686e+01 1.27377e+01 70
2009 10 3.00909e+01 7.11706e+00 363
2009 11 1.40880e+01 7.35038e+00 111
2009 12 1.57029e+01 5.77485e+00 91
2010  1 2.13137e+01 5.53101e+00 12
2010  2 1.17869e+01 6.36977e+00 215
2010  3 1.05903e+01 1.01274e+01 473
2010  4 1.99332e+01 9.56970e+00 241
2010  5 2.06687e+01 1.16247e+01 170
2010  6 3.39190e+01 1.32656e+01 147
2010  7 3.06279e+01 1.29795e+01 89
2010  8 2.73341e+01 1.16959e+01 150
2010  9 3.24752e+01 7.26674e+00 29
2010 10 2.24720e+01 8.23123e+00 209
2010 11 2.17052e+01 6.18091e+00 96
2010 12 1.75424e+01 5.02869e+00 102
2011  1 1.29148e+01 6.02329e+00 184
2011  2 2.20548e+01 8.56897e+00 94
2011  3 1.91741e+01 9.00285e+00 81
2011  4 2.27608e+01 1.09454e+01 236
2011  5 3.03096e+01 1.27497e+01 369
2011  6 3.04904e+01 1.23208e+01 181
2011  7 3.57915e+01 1.02723e+01 163
2011  8 1.44654e+01 7.67101e+00 51
2011  9 2.72714e+01 5.65762e+00 218
2011 10 3.20026e+01 6.66284e+00 35
2011 11 1.74848e+01 7.26468e+00 109
2011 12 1.37580e+01 8.54100e+00 66
2012  1 2.14702e+01 5.74082e+00 33
2012  2 1.64056e+01 8.52900e+00 71
2012  3 2.32326e+01 8.17432e+00 269
2012  4 1.74536e+01 1.05249e+01 209
2012  5 2.07569e+01 1.18176e+01 152
2012  6 2.41688e+01 8.61070e+00 247
2012  7 3.91291e+01 5.32081e+00 81
2012  8 3.26941e+01 9.78982e+00 253
2012  9 2.18206e+01 1.15056e+01 142
2012 10 2.22867e+01 8.33538e+00 110
2012 11 1.87526e+01 6.93050e+00 133
2012 12 1.49353e+01 6.72634e+00 127
2013  1 1.59467e+01 7.84663e+00 126
2013  2 2.06276e+01 8.10798e+00 214
2013  3 2.15113e+01 1.09507e+01 258
2013  4 3.40772e+01 8.52984e+00 156
2013  5 3.08348e+01 1.40200e+01 166
2013  6 3.37751e+01 5.25620e+00 63
2013  7 2.84118e+01 1.06980e+01 91
2013  8 2.79826e+01 1.15719e+01 31
2013  9 3.31171e+01 1.05103e+01 136
2013 10 2.94345e+01 6.49306e+00 140
2013 11 2.02812e+01 7.02118e+00 86
2013 12 1.28470e+01 6.24918e+00 100
2014  1 1.92494e+01 5.50523e+00 53
2014  2 1.37126e+01 7.47789e+00 135
2014  3 2.18532e+01 6.27634e+00 172
2014  4 2.14994e+01 1.20982e+01 161
2014  5 2.26307e+01 1.18063e+01 146
2014  6 3.08230e+01 1.34995e+01 179
2014  7 3.59012e+01 8.91158e+00 237
2014  8 3.57225e+01 8.36128e+00 682
2014  9 3.53498e+01 5.47241e+00 91
2014 10 2.32907e+01 9.01656e+00 188
2014 11 2.07142e+01 4.52599e+00 24
2014 12 1.88118e+01 6.53493e+00 132
2015  1 1.81463e+01 6.06629e+00 137
2015  2 2.12681e+01 7.74124e+00 132
2015  3 2.09407e+01 8.09079e+00 146
2015  4 2.07792e+01 1.02760e+01 98
2015  5 3.19202e+01 9.56122e+00 195
2015  6 3.58089e+01 1.06825e+01 65
2015  7 3.74461e+01 6.52297e+00 157
2015  8 3.70005e+01 8.42069e+00 490
2015  9 2.65397e+01 5.85432e+00 304
2015 10 2.70016e+01 6.16423e+00 410
2015 11 1.73263e+01 8.88296e+00 109
2015 12 1.99562e+01 3.52986e+00 95
2016  1 1.31068e+01 7.56502e+00 85
2016  2 2.05960e+01 4.74292e+00 34
2016  3 2.57165e+01 7.78493e+00 177
2016  4 3.24350e+01 7.18515e+00 100
2016  5 3.51537e+01 4.91774e+00 172
2016  6 3.01947e+01 9.74248e+00 167
2016  7 2.79882e+01 1.13632e+01 204
2016  8 3.01649e+01 8.15416e+00 114
2016  9 2.82832e+01 8.34686e+00 339
2016 10 2.78368e+01 5.88328e+00 100
2016 11 1.84891e+01 5.26328e+00 73
2016 12 1.61782e+01 5.35150e+00 39
2017  1 7.33682e+00 8.98582e+00 116
2017  2 1.53539e+01 9.07777e+00 64
2017  3 2.01985e+01 7.89498e+00 145
2017  4 1.68902e+01 7.25814e+00 145
2017  5 2.98311e+01 1.05160e+01 212
2017  6 2.07726e+01 1.21801e+01 31
2017  7 3.03725e+01 1.32820e+01 118
2017  8 3.26166e+01 9.28536e+00 322
2017  9 2.13462e+01 5.83169e+00 106
2017 10 1.66819e+01 1.09233e+01 151
2017 11 1.43216e+01 6.88488e+00 300
2017 12 1.07717e+01 6.37245e+00 158
2018  1 9.69700e+00 8.24653e+00 43
2018  2 1.91626e+01 8.87585e+00 313
2018  3 1.67957e+01 9.59808e+00 252
2018  4 1.54064e+01 9.94073e+00 388
2018  5 2.38498e+01 1.06898e+01 28
2018  6 2.92978e+01 1.04311e+01 335
2018  7 2.17934e+01 1.13498e+01 516
2018  8 2.11787e+01 9.94475e+00 219
2018  9 2.14857e+01 1.13530e+01 312
2018 10 2.48734e+01 6.26605e+00 105
2018 11 1.14431e+01 7.96135e+00 79
2018 12 3.53547e+00 6.37380e+00 131
2019  1 1.60594e+01 6.90084e+00 51
2019  2 1.53425e+01 8.37381e+00 199
2019  3 1.41662e+01 8.13418e+00 214
2019  4 1.58718e+01 7.78147e+00 85
2019  5 2.57672e+01 1.24888e+01 152
2019  6 2.87922e+01 1.24740e+01 383
2019  7 3.66142e+01 9.37140e+00 224
2019  8 2.72892e+01 7.91600e+00 278
2019  9 2.86924e+01 1.06906e+01 128
2019 10 1.70255e+01 6.14391e+00 161
2019 11 1.50900e+01 6.58433e+00 121
2019 12 1.36852e+01 6.37755e+00 73
2020  1 1.12454e+01 7.47407e+00 180
2020  2 1.86498e+01 9.90481e+00 117
2020  3 1.39111e+01 6.74913e+00 244
2020  4 2.05633e+01 1.02128e+01 88
2020  5 2.61713e+01 1.16812e+01 184
2020  6 1.36983e+01 6.28217e+00 204
2020  7 2.16306e+01 7.27134e+00 260
2020  8 1.84965e+01 9.87879e+00 127
2020  9 2.14888e+01 1.04749e+01 95
2020 10 1.55289e+01 8.86544e+00 65
2020 11 1.35962e+01 7.48160e+00 53
2020 12 1.32278e+01 6.35762e+00 58
2021  1 1.61349e+01 7.32565e+00 21
2021  2 1.03063e+01 5.41724e+00 160
2021  3 2.60017e+01 1.13212e+01 226
2021  4 2.06787e+01 1.20912e+01 137
2021  5 1.56866e+01 8.53149e+00 149
2021  6 2.18489e+01 1.17740e+01 34
2021  7 2.73247e+01 1.58367e+01 110
2021  8 1.47627e+01 7.92417e+00 45
2021  9 2.26984e+01 1.14416e+01 273
2021 10 1.98552e+01 7.72277e+00 153
2021 11 1.87029e+01 5.06576e+00 136
2021 12 1.38614e+01 6.42141e+00 113
2022  1 1.32737e+01 7.94638e+00 57
2022  2 1.62943e+01 8.97689e+00 137
2022  3 2.53227e+01 6.82103e+00 116
2022  4 1.45907e+01 9.10745e+00 24
2022  5 1.59687e+01 4.46903e+00 128
2022  6 1.21998e+01 4.61625e+00 113
2022  7 2.35510e+01 1.30334e+01 118
2022  8 3.31990e+01 9.65371e+00 25
2022  9 3.19843e+01 7.62491e+00 394
2022 10 2.44011e+01 8.30462e+00 119
2022 11 1.62374e+01 6.94221e+00 258
2022 12 1.22185e+01 7.18724e+00 145
2023  1 1.60558e+01 5.67383e+00 131
2023  2 1.71926e+01 7.84072e+00 229
2023  3 1.79712e+01 9.68446e+00 337
2023  4 1.75529e+01 1.02729e+01 48
2023  5 2.28564e+01 1.17308e+01 362
2023  6 2.64417e+01 8.00211e+00 162
2023  7 2.66617e+01 8.02525e+00 320
2023  8 2.64222e+01 9.90609e+00 242
2023  9 2.78854e+01 1.03716e+01 213
2023 10 3.09480e+01 6.37490e+00 126
2023 11 1.31659e+01 7.70285e+00 109
2023 12 1.19930e+01 4.63931e+00 66
2024  1 2.02460e+01 6.22745e+00 64
2024  2 1.98769e+01 8.54484e+00 139
2024  3 2.22044e+01 9.64322e+00 17
2024  4 nan nan 0