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 2.72792e+01 1.83782e+01 52
2002  8 4.67467e+01 1.12030e+01 64
2002  9 3.39022e+01 1.57426e+01 112
2002 10 3.02895e+01 1.10884e+01 144
2002 11 1.65734e+01 8.76927e+00 208
2002 12 1.34193e+01 6.29052e+00 149
2003  1 1.07388e+01 1.26782e+01 238
2003  2 1.74546e+01 1.18360e+01 160
2003  3 nan nan 0
2003  4 3.19409e+01 2.34320e+01 31
2003  5 5.08410e+01 5.96665e+00 27
2003  6 4.88490e+01 2.98878e+01 64
2003  7 1.38586e+01 7.24307e+00 32
2003  8 2.59567e+00 2.43081e+00 16
2003  9 2.16493e+01 2.14812e+01 87
2003 10 2.17495e+01 1.90191e+01 201
2003 11 1.94655e+01 1.84090e+01 226
2003 12 1.75519e+01 1.12325e+01 178
2004  1 2.11737e+01 1.70540e+01 125
2004  2 1.01629e+01 9.70608e+00 47
2004  3 2.38896e+01 2.59832e+01 98
2004  4 1.80762e+01 9.71244e+00 67
2004  5 2.18102e+01 1.90927e+01 116
2004  6 3.88722e+01 1.17879e+01 72
2004  7 3.11845e+01 1.49549e+01 48
2004  8 2.94181e+01 1.44770e+01 56
2004  9 2.04760e+01 1.27458e+01 70
2004 10 1.13815e+01 1.88773e+01 69
2004 11 1.99836e+00 4.11356e+00 72
2004 12 4.75205e+00 9.23391e+00 90
2005  1 9.94128e+00 1.34691e+01 162
2005  2 1.54613e+01 2.36979e+01 98
2005  3 7.74094e+00 6.14585e+00 141
2005  4 5.47376e-01 3.54911e-01 16
2005  5 2.98148e+01 3.22058e+01 26
2005  6 4.59580e+01 1.31969e+01 48
2005  7 1.64852e+01 6.98915e+00 84
2005  8 9.07984e+00 9.67647e+00 48
2005  9 2.72037e+01 1.87567e+01 59
2005 10 2.25759e+01 1.39685e+01 244
2005 11 2.81754e+01 1.08642e+01 303
2005 12 2.24591e+01 7.65009e+00 208
2006  1 1.36869e+01 1.13260e+01 192
2006  2 1.12280e+01 5.70243e+00 160
2006  3 5.57798e+00 5.80369e+00 156
2006  4 1.49691e+01 1.26548e+01 128
2006  5 3.73467e+01 1.52487e+01 176
2006  6 4.11205e+01 1.24046e+01 80
2006  7 2.87178e+01 1.62675e+01 92
2006  8 4.01438e+01 9.56898e+00 112
2006  9 2.18287e+01 1.14648e+01 112
2006 10 3.17545e+01 1.16179e+01 197
2006 11 3.02408e+01 9.95737e+00 272
2006 12 3.91234e+01 1.20206e+01 144
2007  1 2.58978e+01 1.70217e+01 65
2007  2 2.02107e+01 1.24193e+01 160
2007  3 2.80391e+01 1.60151e+01 250
2007  4 2.31162e+01 1.11861e+01 144
2007  5 3.69299e+01 1.15917e+01 80
2007  6 3.69493e+01 6.50332e+00 52
2007  7 3.06384e+01 8.37774e+00 57
2007  8 3.75325e+01 3.87379e+00 95
2007  9 3.15265e+01 5.84002e+00 160
2007 10 3.50693e+01 7.75343e+00 112
2007 11 3.47363e+01 8.00333e+00 271
2007 12 4.27255e+01 8.54534e+00 144
2008  1 4.25455e+01 9.53332e+00 176
2008  2 4.02666e+01 1.22230e+01 298
2008  3 1.40282e+01 7.28689e+00 185
2008  4 2.58949e+01 1.83926e+01 176
2008  5 2.45460e+01 1.51223e+01 198
2008  6 3.27544e+01 2.23297e+01 115
2008  7 1.93573e+01 7.42840e+00 32
2008  8 3.07225e+01 1.22435e+00 32
2008  9 4.69777e+00 4.29729e+00 66
2008 10 9.44230e+00 5.97148e+00 219
2008 11 1.65538e+01 9.52480e+00 229
2008 12 2.23655e+01 1.59584e+01 226
2009  1 1.43087e+01 1.77809e+01 132
2009  2 1.53480e+01 1.08727e+01 208
2009  3 2.23603e+01 9.03877e+00 138
2009  4 7.29601e+00 4.81295e+00 49
2009  5 2.16197e+01 1.34775e+01 65
2009  6 2.01559e+01 2.12808e+01 78
2009  7 3.91146e+01 8.61024e+00 57
2009  8 3.21076e+01 1.51759e+01 112
2009  9 2.92773e+01 1.71223e+01 147
2009 10 2.00563e+01 1.61252e+01 176
2009 11 1.55767e+01 5.95555e+00 173
2009 12 1.42215e+01 1.15999e+01 32
2010  1 2.15506e+00 1.93113e+00 160
2010  2 2.24303e-01 4.57379e-01 110
2010  3 7.66721e-01 6.47067e-01 80
2010  4 5.42317e-01 6.45005e-01 82
2010  5 1.50111e+01 1.45871e+01 65
2010  6 3.61628e+01 1.51579e+01 144
2010  7 1.67222e+01 1.91982e+01 91
2010  8 2.07890e+01 1.56375e+01 29
2010  9 3.03113e+01 1.25366e+01 186
2010 10 2.54511e+01 1.28134e+01 360
2010 11 3.10647e+01 1.11374e+01 277
2010 12 2.90787e+01 9.72776e+00 256
2011  1 3.66816e+01 6.20926e+00 183
2011  2 4.07986e+01 7.55630e+00 144
2011  3 2.88731e+01 1.06067e+01 160
2011  4 2.49058e+01 7.58555e+00 142
2011  5 3.40336e+01 1.51328e+01 144
2011  6 3.26524e+01 1.73569e+01 96
2011  7 3.71243e+01 1.01930e+01 118
2011  8 4.02993e+01 1.16977e+01 112
2011  9 3.22662e+01 1.04409e+01 165
2011 10 3.37504e+01 1.18987e+01 320
2011 11 3.58377e+01 1.12453e+01 240
2011 12 4.50907e+01 1.07450e+01 244
2012  1 3.74651e+01 5.49446e+00 240
2012  2 4.16906e+01 4.95130e+00 64
2012  3 3.59950e+01 9.75967e+00 218
2012  4 3.09648e+01 6.47204e+00 224
2012  5 4.07915e+01 8.60673e+00 144
2012  6 3.88381e+01 8.60591e-01 12
2012  7 4.81407e+01 2.88181e+01 48
2012  8 1.60840e+01 1.17681e+00 8
2012  9 3.29518e+01 3.65382e+01 29
2012 10 1.24392e+01 1.96173e+01 127
2012 11 1.94959e+01 1.15240e+01 208
2012 12 2.14203e+01 7.59613e+00 144
2013  1 2.69853e+01 8.96899e+00 123
2013  2 2.69257e+01 1.14960e+01 117
2013  3 4.97567e+00 7.63188e+00 114
2013  4 4.55665e+00 5.17262e+00 69
2013  5 2.02322e+01 2.42601e+01 39
2013  6 2.62533e+01 1.62977e+01 128
2013  7 nan nan 0
2013  8 nan nan 0
2013  9 9.32015e+00 1.28840e+01 122
2013 10 1.72821e+01 1.85631e+01 111
2013 11 1.71952e+01 1.80479e+01 91
2013 12 2.40780e+01 1.73974e+01 138
2014  1 1.34253e+01 1.31348e+01 96
2014  2 9.90465e+00 5.47725e+00 106
2014  3 2.14176e+01 2.32640e+01 86
2014  4 nan nan 0
2014  5 nan nan 0
2014  6 2.53533e+01 1.76763e+00 14
2014  7 2.21071e+01 1.92691e+01 112
2014  8 3.99837e+01 1.04850e+01 86
2014  9 4.52842e+01 9.79077e+00 128
2014 10 2.50400e+01 1.43516e+01 320
2014 11 2.78759e+01 8.63363e+00 256
2014 12 2.94094e+01 1.29776e+01 208
2015  1 1.38033e+01 1.23439e+01 162
2015  2 9.13288e+00 1.18392e+01 110
2015  3 3.96334e+01 3.06088e+01 59
2015  4 3.59707e+01 1.32057e+00 16
2015  5 3.65917e+01 2.72684e+01 122
2015  6 4.50796e+01 1.98434e+01 66
2015  7 3.08458e+01 2.57909e+01 32
2015  8 3.96727e+01 6.11914e+00 80
2015  9 3.89886e+01 9.87898e+00 107
2015 10 2.53064e+01 6.63879e+00 195
2015 11 2.31593e+01 1.34320e+01 182
2015 12 1.49079e+01 7.40634e+00 94
2016  1 1.88869e+01 8.61912e+00 185
2016  2 2.74252e+00 2.20629e+00 264
2016  3 1.20655e+01 1.02121e+01 185
2016  4 1.42690e+01 1.16311e+01 46
2016  5 2.12729e+01 2.20674e+01 35
2016  6 3.04273e+01 1.88126e+01 139
2016  7 2.97792e+01 1.34769e+01 149
2016  8 3.33444e+01 1.28576e+01 131
2016  9 2.77921e+01 1.90857e+01 210
2016 10 2.00260e+01 1.67885e+01 208
2016 11 2.89923e+01 9.41550e+00 177
2016 12 3.17571e+01 1.02645e+01 157
2017  1 2.32580e+01 1.41226e+01 176
2017  2 1.10454e+01 1.37190e+01 218
2017  3 2.24757e+01 1.06038e+01 211
2017  4 2.03503e+01 1.74500e+01 154
2017  5 1.68287e+01 1.35362e+01 114
2017  6 1.77280e+01 1.72793e+01 31
2017  7 3.56014e+01 2.19624e+01 80
2017  8 3.57355e+01 2.27683e+01 96
2017  9 2.16671e+01 1.53010e+01 157
2017 10 1.46347e+01 9.54844e+00 237
2017 11 2.51457e+01 1.18051e+01 304
2017 12 3.53987e+01 1.13249e+01 176
2018  1 3.14060e+01 4.98303e+00 224
2018  2 3.69804e+01 1.28801e+01 112
2018  3 1.85159e+01 8.81188e+00 129
2018  4 9.65604e+00 7.52689e+00 92
2018  5 1.70682e+01 1.24926e+01 84
2018  6 2.70566e+01 2.29482e+01 75
2018  7 5.44510e+01 1.61040e+01 96
2018  8 7.50203e+00 8.95709e+00 37
2018  9 2.23978e+01 2.66847e+01 183
2018 10 7.33320e+00 7.47188e+00 316
2018 11 1.02149e+01 1.05416e+01 101
2018 12 4.44497e+00 5.97576e+00 96
2019  1 9.12918e-01 9.11263e-01 32
2019  2 nan nan 0
2019  3 1.01854e+01 2.20464e+01 81
2019  4 4.86921e+00 4.50938e+00 80
2019  5 2.43760e+01 1.87268e+01 173
2019  6 2.55130e+01 1.72429e+01 46
2019  7 4.12850e+01 9.10350e+00 78
2019  8 3.76453e+01 2.36404e+01 129
2019  9 2.15885e+01 1.34795e+01 113
2019 10 2.00198e+01 1.68288e+01 108
2019 11 1.54477e+01 1.72389e+01 128
2019 12 2.40108e+01 8.86651e+00 102
2020  1 1.97902e+01 5.13112e+00 112
2020  2 2.02079e+01 8.63155e+00 176
2020  3 2.53385e+01 1.61295e+01 125
2020  4 1.16262e+01 8.09750e+00 64
2020  5 1.82748e+01 1.41947e+01 112
2020  6 1.15969e+01 6.43013e+00 18
2020  7 4.38698e+01 1.45485e+01 49
2020  8 1.61257e+01 2.28550e+00 32
2020  9 2.22909e+01 2.00615e+01 51
2020 10 1.24124e+01 2.46781e+01 149
2020 11 4.43778e+00 7.95629e+00 102
2020 12 1.11698e+01 1.59817e+01 137
2021  1 3.36343e+00 2.31782e+00 48
2021  2 1.65271e-01 1.60407e-01 64
2021  3 2.26232e+00 2.03214e+00 49
2021  4 2.01132e+01 0.00000e+00 1
2021  5 1.54810e+01 2.02340e+01 76
2021  6 4.90448e+01 1.71382e+01 48
2021  7 1.89751e+01 1.28464e+01 32
2021  8 1.57631e+00 1.71238e+00 60
2021  9 2.01451e+01 2.46511e+01 71
2021 10 1.14972e+01 1.37121e+01 78
2021 11 9.02013e+00 1.01810e+01 100
2021 12 4.07456e+01 2.87307e+01 48
2022  1 8.58622e+00 1.03749e+01 178
2022  2 2.44293e+01 1.47006e+01 144
2022  3 1.42406e+01 1.32678e+01 192
2022  4 nan nan 0
2022  5 3.79962e+01 1.21144e+01 32
2022  6 3.65463e+01 2.06178e+01 131
2022  7 3.89509e+01 1.85022e+01 96
2022  8 2.51040e+01 2.46327e+01 142
2022  9 3.33668e+01 1.76702e+01 63
2022 10 1.96166e+01 1.30103e+01 261
2022 11 2.99176e+01 9.68836e+00 113
2022 12 2.58779e+01 1.28161e+01 175
2023  1 3.15889e+01 6.83075e+00 204
2023  2 3.45775e+01 1.20590e+01 160
2023  3 1.51494e+01 1.12300e+01 160
2023  4 1.89709e+01 2.49833e+01 63
2023  5 1.30786e+01 1.82330e+01 112
2023  6 3.96886e+01 1.65737e+01 81
2023  7 5.39775e+01 1.13456e+01 32
2023  8 2.66477e+01 2.38898e+01 96
2023  9 2.52957e+01 7.79197e+00 32
2023 10 2.41687e+01 2.05725e+01 167
2023 11 2.35017e+01 2.05805e+01 192
2023 12 1.66458e+00 2.19388e+00 7
2024  1 nan nan 0
2024  2 1.11242e+01 1.63091e+01 112
2024  3 1.87487e+00 1.55523e+00 69
2024  4 nan nan 0