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 6.29562e+01 2.81886e-01 32
2002  8 5.77454e+01 6.84487e-01 56
2002  9 4.94425e+01 2.63244e+00 79
2002 10 4.28703e+01 2.31033e+00 76
2002 11 3.32203e+01 2.19048e+00 228
2002 12 2.90239e+01 4.23004e-01 149
2003  1 3.11494e+01 1.43205e+00 223
2003  2 3.85647e+01 2.45470e+00 108
2003  3 5.10195e+01 2.07975e+00 66
2003  4 5.66631e+01 2.25413e+00 134
2003  5 6.15147e+01 8.99021e-01 39
2003  6 6.35931e+01 7.69165e-02 43
2003  7 6.21895e+01 6.12004e-01 40
2003  8 5.65185e+01 2.82997e-01 17
2003  9 4.98478e+01 1.58863e+00 49
2003 10 4.10689e+01 2.58728e+00 155
2003 11 3.27131e+01 1.94625e+00 206
2003 12 2.89153e+01 4.82645e-01 138
2004  1 3.21611e+01 1.18267e+00 117
2004  2 4.16378e+01 1.55401e+00 57
2004  3 4.92398e+01 1.62246e+00 167
2004  4 5.58568e+01 1.84906e+00 90
2004  5 6.17072e+01 1.10445e+00 108
2004  6 6.34260e+01 6.98912e-02 27
2004  7 6.30167e+01 1.99797e-01 52
2004  8 5.73355e+01 9.69751e-01 39
2004  9 5.06357e+01 2.93468e+00 59
2004 10 4.26556e+01 2.40436e+00 89
2004 11 3.29131e+01 2.16728e+00 127
2004 12 2.88736e+01 4.79098e-01 108
2005  1 3.20370e+01 1.65246e+00 129
2005  2 3.84773e+01 1.75786e+00 131
2005  3 4.75050e+01 2.49056e+00 164
2005  4 5.85134e+01 9.47683e-01 27
2005  5 6.15860e+01 1.26304e+00 81
2005  6 6.35899e+01 2.07994e-01 34
2005  7 6.22749e+01 6.23235e-01 91
2005  8 5.86027e+01 2.04455e+00 61
2005  9 5.15180e+01 3.61139e+00 42
2005 10 4.12280e+01 2.67865e+00 206
2005 11 3.34930e+01 2.07349e+00 185
2005 12 2.91388e+01 5.84973e-01 144
2006  1 3.18254e+01 2.00723e+00 109
2006  2 3.91808e+01 2.61169e+00 179
2006  3 4.83695e+01 2.92843e+00 194
2006  4 5.74798e+01 1.91286e+00 86
2006  5 6.23172e+01 8.80664e-01 111
2006  6 6.36777e+01 7.69608e-03 12
2006  7 6.17889e+01 5.63938e-01 48
2006  8 5.84429e+01 1.46429e+00 64
2006  9 5.04583e+01 2.91160e+00 121
2006 10 4.22034e+01 3.20802e+00 191
2006 11 3.38390e+01 2.14771e+00 181
2006 12 2.90808e+01 5.30899e-01 98
2007  1 3.18127e+01 1.66433e+00 91
2007  2 3.92725e+01 2.15369e+00 179
2007  3 4.84643e+01 2.86395e+00 233
2007  4 5.76802e+01 1.92013e+00 152
2007  5 6.16419e+01 1.09624e+00 60
2007  6 6.35969e+01 1.25979e-01 26
2007  7 6.21880e+01 8.27311e-01 79
2007  8 5.86536e+01 1.18329e+00 48
2007  9 4.98198e+01 2.43272e+00 69
2007 10 4.37137e+01 1.09989e+00 96
2007 11 3.37304e+01 1.99703e+00 207
2007 12 2.91081e+01 3.76150e-01 81
2008  1 3.10493e+01 2.01462e+00 159
2008  2 3.83187e+01 2.49309e+00 210
2008  3 5.04503e+01 2.65223e+00 125
2008  4 5.72886e+01 1.20259e+00 66
2008  5 6.23372e+01 9.98002e-01 110
2008  6 6.34123e+01 3.96744e-01 35
2008  7 6.30189e+01 2.70430e-01 29
2008  8 5.75463e+01 1.26686e-01 7
2008  9 5.08802e+01 1.72432e+00 124
2008 10 4.11893e+01 2.99554e+00 213
2008 11 3.36006e+01 1.88562e+00 242
2008 12 2.90288e+01 5.74912e-01 174
2009  1 3.15820e+01 1.70053e+00 177
2009  2 3.89190e+01 2.62966e+00 196
2009  3 4.66372e+01 1.86764e+00 126
2009  4 5.89301e+01 7.35453e-01 42
2009  5 6.29361e+01 5.49982e-01 49
2009  6 nan nan 0
2009  7 6.19138e+01 3.13355e-01 24
2009  8 5.80873e+01 1.02172e+00 49
2009  9 5.13141e+01 2.67531e+00 68
2009 10 4.22693e+01 2.82493e+00 173
2009 11 3.36443e+01 1.62429e+00 124
2009 12 2.88228e+01 2.91516e-01 31
2010  1 3.21374e+01 1.92708e+00 69
2010  2 4.03591e+01 3.39362e+00 51
2010  3 4.76528e+01 3.15208e+00 132
2010  4 5.71043e+01 1.56727e+00 126
2010  5 6.18701e+01 8.22526e-01 58
2010  6 6.34637e+01 1.24081e-01 90
2010  7 6.14915e+01 8.64587e-03 16
2010  8 5.98700e+01 9.19323e-02 20
2010  9 5.10515e+01 2.05687e+00 178
2010 10 4.25639e+01 2.74486e+00 231
2010 11 3.34885e+01 1.91099e+00 247
2010 12 2.92964e+01 5.57234e-01 165
2011  1 3.17070e+01 1.65876e+00 165
2011  2 4.00916e+01 1.68973e+00 148
2011  3 4.85813e+01 2.33605e+00 157
2011  4 5.62643e+01 1.96241e+00 115
2011  5 6.22112e+01 5.56819e-01 96
2011  6 6.34739e+01 2.07074e-01 62
2011  7 6.16213e+01 7.24500e-01 62
2011  8 5.70357e+01 1.39228e+00 48
2011  9 5.13282e+01 2.29959e+00 98
2011 10 4.26945e+01 2.79839e+00 241
2011 11 3.38568e+01 2.26447e+00 157
2011 12 2.91007e+01 6.00764e-01 190
2012  1 3.17039e+01 2.07547e+00 200
2012  2 3.85932e+01 1.38122e+00 57
2012  3 4.88438e+01 2.44338e+00 149
2012  4 5.79222e+01 1.82564e+00 151
2012  5 6.15496e+01 7.10691e-01 97
2012  6 6.37805e+01 3.49660e-02 30
2012  7 6.25781e+01 5.78183e-01 69
2012  8 5.68328e+01 3.90863e-01 39
2012  9 5.10391e+01 3.13441e+00 76
2012 10 4.18476e+01 1.77924e+00 175
2012 11 3.34714e+01 2.34217e+00 184
2012 12 2.90829e+01 4.86769e-01 96
2013  1 3.31050e+01 1.43019e+00 108
2013  2 3.87038e+01 2.36443e+00 144
2013  3 5.19796e+01 1.42255e+00 81
2013  4 5.47639e+01 7.51914e-01 48
2013  5 6.20927e+01 1.76180e-02 32
2013  6 6.29976e+01 3.23199e-01 32
2013  7 6.21036e+01 7.65608e-03 16
2013  8 5.83167e+01 8.80669e-01 34
2013  9 5.21251e+01 2.30835e+00 138
2013 10 4.12843e+01 2.80092e+00 164
2013 11 3.31518e+01 2.53297e+00 103
2013 12 2.86645e+01 1.83027e-01 135
2014  1 3.21324e+01 8.17341e-01 84
2014  2 4.00600e+01 1.77341e+00 141
2014  3 4.85697e+01 2.64123e+00 147
2014  4 5.60965e+01 1.99705e+00 78
2014  5 6.18389e+01 5.99050e-01 93
2014  6 6.35050e+01 1.36313e-01 42
2014  7 6.27034e+01 9.11923e-01 47
2014  8 5.83606e+01 1.94233e+00 64
2014  9 5.11488e+01 2.10863e+00 98
2014 10 4.20462e+01 2.71979e+00 296
2014 11 3.32525e+01 2.38175e+00 198
2014 12 2.89615e+01 2.98393e-01 169
2015  1 3.24850e+01 1.77060e+00 140
2015  2 3.80865e+01 1.66583e+00 158
2015  3 4.91315e+01 2.86071e+00 63
2015  4 5.58451e+01 1.88747e+00 48
2015  5 6.17274e+01 1.06968e+00 91
2015  6 6.35672e+01 3.03826e-01 36
2015  7 6.26340e+01 7.39842e-01 48
2015  8 5.75995e+01 1.02341e+00 37
2015  9 5.08743e+01 1.64658e+00 88
2015 10 4.10283e+01 2.12056e+00 179
2015 11 3.30027e+01 1.84831e+00 135
2015 12 2.91203e+01 3.76155e-01 108
2016  1 3.14243e+01 1.36155e+00 63
2016  2 3.94793e+01 2.64294e+00 208
2016  3 4.80814e+01 2.26529e+00 121
2016  4 5.63762e+01 1.72407e+00 48
2016  5 6.18261e+01 7.42191e-01 89
2016  6 6.34523e+01 1.73727e-01 98
2016  7 6.24749e+01 7.78652e-01 126
2016  8 5.71137e+01 1.07211e+00 106
2016  9 4.98694e+01 2.31690e+00 98
2016 10 4.11967e+01 2.86967e+00 230
2016 11 3.36349e+01 1.82281e+00 193
2016 12 2.88004e+01 3.36663e-01 124
2017  1 3.16071e+01 1.83034e+00 128
2017  2 3.93166e+01 2.86835e+00 186
2017  3 4.92869e+01 2.70767e+00 194
2017  4 5.63612e+01 1.76643e+00 117
2017  5 6.21109e+01 1.04839e+00 57
2017  6 6.35777e+01 8.87227e-02 41
2017  7 6.24935e+01 8.52835e-01 49
2017  8 5.71101e+01 1.40234e+00 34
2017  9 5.07002e+01 2.59121e+00 105
2017 10 4.12322e+01 2.64281e+00 192
2017 11 3.34576e+01 2.17949e+00 288
2017 12 2.89513e+01 2.47804e-01 101
2018  1 3.16379e+01 1.84054e+00 200
2018  2 4.05944e+01 2.21676e+00 80
2018  3 4.81305e+01 2.76150e+00 195
2018  4 5.66264e+01 1.85844e+00 125
2018  5 6.26211e+01 4.18115e-01 49
2018  6 6.35595e+01 3.69325e-02 32
2018  7 6.23319e+01 7.07830e-01 60
2018  8 5.81110e+01 1.50626e+00 40
2018  9 5.06503e+01 2.16336e+00 159
2018 10 4.26931e+01 2.78303e+00 267
2018 11 3.32988e+01 1.88242e+00 96
2018 12 2.94145e+01 4.99474e-01 64
2019  1 3.25415e+01 1.37742e+00 66
2019  2 3.88774e+01 2.63711e+00 51
2019  3 4.82854e+01 2.58656e+00 188
2019  4 5.81238e+01 1.27666e+00 110
2019  5 6.19935e+01 9.64745e-01 114
2019  6 6.34718e+01 3.36580e-01 85
2019  7 6.16312e+01 5.46883e-01 37
2019  8 5.85525e+01 2.04727e+00 64
2019  9 5.04671e+01 2.46514e+00 159
2019 10 4.34132e+01 2.59354e+00 118
2019 11 3.28894e+01 2.10093e+00 148
2019 12 2.92414e+01 6.03050e-01 60
2020  1 3.08905e+01 1.70191e+00 132
2020  2 3.82459e+01 3.21588e+00 64
2020  3 4.99407e+01 2.46023e+00 93
2020  4 5.72918e+01 2.34249e+00 92
2020  5 6.15261e+01 8.70767e-01 80
2020  6 6.37370e+01 2.27123e-01 62
2020  7 6.22843e+01 4.18959e-01 29
2020  8 6.02249e+01 5.07827e-01 48
2020  9 5.19331e+01 1.29136e+00 44
2020 10 4.12255e+01 2.14055e+00 96
2020 11 3.34565e+01 2.16709e+00 214
2020 12 2.89441e+01 3.73073e-01 215
2021  1 3.04494e+01 1.03621e+00 64
2021  2 4.16141e+01 1.08311e+00 71
2021  3 4.73917e+01 1.92597e+00 122
2021  4 5.65683e+01 1.82761e+00 141
2021  5 6.23964e+01 6.15408e-01 132
2021  6 6.36269e+01 4.27200e-02 29
2021  7 6.20037e+01 3.83033e-01 36
2021  8 5.82090e+01 6.02162e-01 76
2021  9 5.01286e+01 2.85174e+00 79
2021 10 4.33218e+01 5.48737e-01 48
2021 11 3.31018e+01 1.90498e+00 243
2021 12 2.88035e+01 4.85355e-01 101
2022  1 3.15371e+01 2.10359e+00 116
2022  2 4.01742e+01 2.62309e+00 128
2022  3 4.90033e+01 3.10260e+00 182
2022  4 5.88009e+01 3.65088e-01 20
2022  5 6.13219e+01 1.89650e-01 32
2022  6 6.34591e+01 1.62656e-01 96
2022  7 6.22138e+01 5.44214e-01 82
2022  8 5.81114e+01 1.68838e+00 81
2022  9 4.97701e+01 1.43032e+00 99
2022 10 4.28791e+01 2.51087e+00 256
2022 11 3.41450e+01 2.20176e+00 156
2022 12 2.89654e+01 4.82747e-01 204
2023  1 3.13264e+01 1.57751e+00 185
2023  2 3.88551e+01 3.11051e+00 119
2023  3 4.89758e+01 1.74398e+00 118
2023  4 5.77601e+01 1.44601e+00 72
2023  5 6.06749e+01 4.90182e-01 48
2023  6 6.34756e+01 1.23355e-01 66
2023  7 6.23059e+01 1.05900e+00 32
2023  8 5.85779e+01 1.17710e+00 53
2023  9 5.12105e+01 1.67974e+00 129
2023 10 4.09195e+01 2.57975e+00 232
2023 11 3.40029e+01 2.41845e+00 131
2023 12 2.86672e+01 1.73490e-01 64
2024  1 3.15348e+01 2.11079e+00 81
2024  2 4.01936e+01 2.07950e+00 128
2024  3 5.15338e+01 2.21337e+00 64
2024  4 nan nan 0