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 6.19418e+01 6.95043e-01 123
2002  8 5.76376e+01 8.75939e-01 80
2002  9 5.04032e+01 2.48724e+00 64
2002 10 4.24799e+01 3.07211e+00 145
2002 11 3.36566e+01 2.26025e+00 189
2002 12 2.96138e+01 5.01744e-01 200
2003  1 3.16367e+01 1.45035e+00 228
2003  2 3.85708e+01 2.30038e+00 144
2003  3 4.98422e+01 2.74735e+00 111
2003  4 5.74166e+01 2.08587e+00 192
2003  5 6.23652e+01 7.94975e-01 96
2003  6 6.30949e+01 1.17550e-01 64
2003  7 6.21013e+01 7.41473e-01 74
2003  8 5.70590e+01 1.22837e+00 128
2003  9 5.19707e+01 1.93382e+00 115
2003 10 4.18174e+01 2.49465e+00 192
2003 11 3.38564e+01 2.18899e+00 186
2003 12 2.94815e+01 4.37256e-01 208
2004  1 3.20514e+01 1.56391e+00 144
2004  2 4.20214e+01 1.59232e+00 63
2004  3 4.91584e+01 2.42727e+00 183
2004  4 5.74572e+01 2.13942e+00 190
2004  5 6.19423e+01 8.92376e-01 239
2004  6 6.30495e+01 6.82793e-02 64
2004  7 6.24673e+01 8.16258e-02 48
2004  8 5.80167e+01 1.74797e+00 88
2004  9 4.98925e+01 2.17476e+00 164
2004 10 4.19377e+01 2.61177e+00 105
2004 11 3.41582e+01 1.87039e+00 127
2004 12 2.92870e+01 1.28210e-01 128
2005  1 3.20045e+01 1.49012e+00 144
2005  2 3.92621e+01 1.82954e+00 107
2005  3 4.78024e+01 2.24831e+00 183
2005  4 5.76336e+01 1.32876e+00 96
2005  5 6.16691e+01 6.77534e-01 147
2005  6 6.31409e+01 1.44897e-01 96
2005  7 6.14779e+01 5.88567e-01 96
2005  8 5.78374e+01 1.05751e+00 96
2005  9 5.11288e+01 2.66387e+00 178
2005 10 4.13190e+01 2.38816e+00 208
2005 11 3.38624e+01 1.93045e+00 208
2005 12 2.94949e+01 5.03277e-01 128
2006  1 3.20649e+01 1.86680e+00 176
2006  2 4.00850e+01 3.01753e+00 144
2006  3 4.91740e+01 2.62864e+00 234
2006  4 5.75913e+01 1.87638e+00 179
2006  5 6.20473e+01 8.23282e-01 176
2006  6 6.30720e+01 1.37947e-01 176
2006  7 6.19355e+01 7.82725e-01 85
2006  8 5.77552e+01 1.59039e+00 176
2006  9 5.15454e+01 2.60022e+00 144
2006 10 4.26502e+01 2.85414e+00 239
2006 11 3.42122e+01 2.19117e+00 224
2006 12 2.96794e+01 4.98723e-01 192
2007  1 3.18517e+01 1.74918e+00 96
2007  2 3.95216e+01 2.14603e+00 129
2007  3 4.93484e+01 2.70631e+00 176
2007  4 5.84829e+01 1.56562e+00 160
2007  5 6.15931e+01 8.04222e-01 176
2007  6 6.31149e+01 2.10540e-01 143
2007  7 6.20993e+01 5.56179e-01 112
2007  8 5.74513e+01 1.72201e+00 112
2007  9 4.86556e+01 1.22416e+00 64
2007 10 4.33000e+01 2.11227e+00 206
2007 11 3.46138e+01 1.75503e+00 224
2007 12 2.96157e+01 3.43867e-01 80
2008  1 3.16586e+01 2.08443e+00 160
2008  2 3.97455e+01 2.74387e+00 239
2008  3 4.99847e+01 2.58668e+00 144
2008  4 5.90292e+01 1.10764e+00 160
2008  5 6.19503e+01 8.73320e-01 137
2008  6 6.30845e+01 1.73816e-01 180
2008  7 6.14401e+01 6.98520e-01 108
2008  8 5.71903e+01 1.90663e+00 127
2008  9 5.07350e+01 2.17959e+00 145
2008 10 4.07584e+01 2.44716e+00 208
2008 11 3.42953e+01 1.86544e+00 269
2008 12 2.94681e+01 2.78674e-01 82
2009  1 3.16323e+01 1.51998e+00 145
2009  2 3.90523e+01 2.91302e+00 160
2009  3 4.80489e+01 2.43259e+00 160
2009  4 5.80649e+01 1.88313e+00 128
2009  5 6.16196e+01 8.22872e-01 128
2009  6 6.30858e+01 1.48990e-01 144
2009  7 6.18257e+01 3.13473e-01 71
2009  8 5.72713e+01 1.30538e+00 100
2009  9 5.07779e+01 2.34262e+00 128
2009 10 4.21936e+01 2.37457e+00 173
2009 11 3.50313e+01 2.04563e+00 144
2009 12 2.92859e+01 1.13872e-01 64
2010  1 3.14588e+01 1.74193e+00 160
2010  2 4.05422e+01 2.12663e+00 128
2010  3 4.94777e+01 3.21015e+00 144
2010  4 5.76045e+01 1.77318e+00 204
2010  5 6.21617e+01 8.11225e-01 135
2010  6 6.29664e+01 9.20601e-02 160
2010  7 6.20484e+01 7.73747e-01 64
2010  8 5.78346e+01 1.50325e+00 32
2010  9 5.11856e+01 2.33397e+00 208
2010 10 4.27792e+01 2.73834e+00 296
2010 11 3.48742e+01 1.60328e+00 156
2010 12 2.98421e+01 4.68497e-01 176
2011  1 3.17706e+01 1.64877e+00 176
2011  2 4.07823e+01 1.80419e+00 188
2011  3 5.00295e+01 1.48896e+00 192
2011  4 5.77053e+01 1.91251e+00 160
2011  5 6.21314e+01 6.51746e-01 160
2011  6 6.31103e+01 2.00291e-01 128
2011  7 6.18159e+01 9.23786e-01 96
2011  8 5.76595e+01 1.39852e+00 168
2011  9 5.10319e+01 2.47411e+00 176
2011 10 4.26046e+01 2.78991e+00 332
2011 11 3.36287e+01 2.10556e+00 203
2011 12 2.95324e+01 5.35281e-01 144
2012  1 3.16086e+01 1.98240e+00 193
2012  2 3.90203e+01 1.28993e-01 32
2012  3 4.99217e+01 2.24893e+00 192
2012  4 5.75364e+01 2.01510e+00 192
2012  5 6.20291e+01 8.24960e-01 175
2012  6 6.32653e+01 1.18636e-01 80
2012  7 6.17447e+01 6.96619e-01 104
2012  8 5.66364e+01 4.40660e-01 36
2012  9 5.09582e+01 2.48091e+00 144
2012 10 4.15973e+01 2.30960e+00 302
2012 11 3.40078e+01 2.08095e+00 285
2012 12 2.95263e+01 5.11074e-01 64
2013  1 3.36121e+01 1.05940e+00 112
2013  2 3.94896e+01 2.61048e+00 110
2013  3 4.99423e+01 2.89379e+00 203
2013  4 5.66285e+01 1.68453e+00 57
2013  5 6.19090e+01 8.27805e-01 160
2013  6 6.30861e+01 7.05380e-02 40
2013  7 6.16361e+01 3.78588e-01 64
2013  8 5.76736e+01 1.72908e+00 144
2013  9 5.10940e+01 2.48336e+00 212
2013 10 4.26147e+01 2.44175e+00 210
2013 11 3.38352e+01 2.08835e+00 136
2013 12 2.93238e+01 2.31517e-01 113
2014  1 3.14053e+01 9.77570e-01 102
2014  2 4.06192e+01 2.01341e+00 160
2014  3 4.93050e+01 2.74864e+00 160
2014  4 5.74438e+01 2.08605e+00 128
2014  5 6.18044e+01 7.15128e-01 160
2014  6 6.30524e+01 1.12357e-01 177
2014  7 6.18729e+01 9.04813e-01 128
2014  8 5.73727e+01 1.50818e+00 146
2014  9 5.18461e+01 2.08869e+00 176
2014 10 4.21804e+01 2.74406e+00 316
2014 11 3.39382e+01 2.28456e+00 244
2014 12 2.96291e+01 4.03398e-01 192
2015  1 3.27003e+01 1.80598e+00 128
2015  2 3.87512e+01 1.77443e+00 176
2015  3 4.88183e+01 2.50052e+00 160
2015  4 5.52783e+01 2.02081e+00 42
2015  5 6.16014e+01 9.42446e-01 186
2015  6 6.29512e+01 1.47224e-01 165
2015  7 6.17361e+01 8.16803e-01 110
2015  8 5.76315e+01 1.98017e+00 128
2015  9 5.13258e+01 2.07386e+00 134
2015 10 4.18011e+01 2.09005e+00 192
2015 11 3.32323e+01 2.18456e+00 181
2015 12 2.96431e+01 3.07296e-01 96
2016  1 3.14576e+01 1.64176e+00 128
2016  2 3.99777e+01 2.43533e+00 208
2016  3 4.78383e+01 2.43350e+00 129
2016  4 5.68811e+01 1.86934e+00 128
2016  5 6.20000e+01 8.14578e-01 176
2016  6 6.30857e+01 9.06591e-02 144
2016  7 6.18948e+01 8.65990e-01 135
2016  8 5.75204e+01 1.65429e+00 125
2016  9 4.96996e+01 2.31579e+00 160
2016 10 4.17950e+01 2.53989e+00 304
2016 11 3.39228e+01 1.85150e+00 237
2016 12 2.94875e+01 4.62202e-01 185
2017  1 3.19967e+01 1.71006e+00 165
2017  2 3.97980e+01 2.86108e+00 272
2017  3 5.02129e+01 2.58194e+00 208
2017  4 5.59220e+01 8.42601e-01 112
2017  5 6.17201e+01 7.72109e-01 112
2017  6 6.30979e+01 9.70354e-02 64
2017  7 6.17087e+01 8.83945e-01 112
2017  8 5.72987e+01 1.53994e+00 96
2017  9 4.90477e+01 1.69580e+00 144
2017 10 4.14627e+01 2.52182e+00 224
2017 11 3.41268e+01 1.95677e+00 232
2017 12 2.97132e+01 3.87810e-01 128
2018  1 3.22555e+01 1.73839e+00 186
2018  2 4.12081e+01 2.34035e+00 118
2018  3 4.91100e+01 2.81200e+00 192
2018  4 5.76476e+01 2.12329e+00 200
2018  5 6.14258e+01 8.20037e-01 120
2018  6 6.29698e+01 1.04624e-01 102
2018  7 6.17393e+01 6.08611e-01 80
2018  8 5.73532e+01 1.65982e+00 96
2018  9 5.10111e+01 2.11620e+00 190
2018 10 4.28295e+01 2.85115e+00 272
2018 11 3.33273e+01 1.76581e+00 90
2018 12 2.96605e+01 4.45848e-01 96
2019  1 3.18727e+01 1.73015e+00 208
2019  2 4.10840e+01 2.64899e+00 70
2019  3 5.00356e+01 3.00781e+00 176
2019  4 5.89840e+01 1.05237e+00 96
2019  5 6.17685e+01 8.68454e-01 224
2019  6 6.31276e+01 1.68277e-01 80
2019  7 6.19517e+01 6.79748e-01 157
2019  8 5.81731e+01 1.79188e+00 96
2019  9 5.11209e+01 2.48261e+00 272
2019 10 4.42537e+01 2.31170e+00 144
2019 11 3.37501e+01 2.26753e+00 208
2019 12 2.95475e+01 4.11055e-01 104
2020  1 3.14474e+01 1.80378e+00 112
2020  2 3.99232e+01 3.48358e+00 128
2020  3 4.98082e+01 2.10197e+00 202
2020  4 5.71647e+01 2.23206e+00 128
2020  5 6.12930e+01 6.57003e-01 108
2020  6 6.31796e+01 1.41750e-01 140
2020  7 6.16474e+01 7.81978e-01 64
2020  8 5.93650e+01 6.05812e-01 84
2020  9 5.15057e+01 2.57344e+00 112
2020 10 4.16479e+01 2.44629e+00 202
2020 11 3.37998e+01 1.93517e+00 272
2020 12 2.95424e+01 4.14975e-01 256
2021  1 3.18281e+01 1.92084e+00 128
2021  2 4.01887e+01 2.91532e+00 112
2021  3 4.76719e+01 1.99973e+00 128
2021  4 5.71057e+01 2.36807e+00 176
2021  5 6.23969e+01 6.66299e-01 144
2021  6 6.30347e+01 6.80307e-02 64
2021  7 6.17795e+01 4.56459e-01 160
2021  8 5.83580e+01 1.07961e+00 137
2021  9 5.02976e+01 2.67686e+00 160
2021 10 4.27194e+01 2.23675e+00 144
2021 11 3.40288e+01 1.96868e+00 192
2021 12 2.94762e+01 5.01007e-01 128
2022  1 3.22351e+01 1.89217e+00 163
2022  2 4.03485e+01 1.96951e+00 160
2022  3 4.91429e+01 2.89514e+00 218
2022  4 5.90163e+01 7.61212e-01 48
2022  5 6.18266e+01 9.65349e-01 128
2022  6 6.31103e+01 1.30133e-01 144
2022  7 6.18440e+01 6.56163e-01 120
2022  8 5.71602e+01 1.84179e+00 136
2022  9 5.00272e+01 2.01952e+00 176
2022 10 4.27048e+01 2.75554e+00 290
2022 11 3.41697e+01 2.32474e+00 160
2022 12 2.94620e+01 4.36716e-01 175
2023  1 3.13820e+01 1.67064e+00 232
2023  2 3.83115e+01 2.17504e+00 135
2023  3 4.89124e+01 1.98940e+00 121
2023  4 5.74887e+01 1.76689e+00 96
2023  5 6.14919e+01 6.89868e-01 80
2023  6 6.30872e+01 1.99217e-01 80
2023  7 6.19200e+01 9.50484e-01 96
2023  8 5.77508e+01 1.50262e+00 185
2023  9 5.08194e+01 1.74630e+00 112
2023 10 4.05056e+01 2.07951e+00 232
2023 11 3.45788e+01 2.18059e+00 176
2023 12 2.91396e+01 2.15829e-01 64
2024  1 3.14934e+01 1.65081e+00 105
2024  2 4.13934e+01 1.96779e+00 128
2024  3 5.12644e+01 2.13641e+00 80
2024  4 nan nan 0