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 3.44963e+01 2.02059e+00 19
2002  8 3.68609e+01 4.83548e+00 36
2002  9 2.81600e+01 4.54929e+00 34
2002 10 3.30618e+01 1.11867e+01 67
2002 11 1.17004e+01 5.52031e+00 132
2002 12 2.19023e+01 7.32324e+00 114
2003  1 2.23910e+01 8.36969e+00 178
2003  2 3.51370e+01 9.10924e+00 102
2003  3 1.12358e+01 3.58116e+00 28
2003  4 2.39832e+01 7.61174e+00 145
2003  5 2.43535e+01 1.00441e+01 46
2003  6 1.81218e+01 7.19711e+00 32
2003  7 1.83998e+01 7.11382e+00 32
2003  8 1.43373e+01 0.00000e+00 2
2003  9 1.91061e+01 6.72732e+00 84
2003 10 2.51085e+01 6.91178e+00 128
2003 11 2.66825e+01 5.93879e+00 160
2003 12 2.54008e+01 7.38894e+00 103
2004  1 2.87505e+01 1.00385e+01 96
2004  2 2.11411e+01 4.87905e+00 32
2004  3 2.64820e+01 8.57244e+00 64
2004  4 3.08115e+01 8.21174e+00 76
2004  5 3.76514e+01 8.34156e+00 58
2004  6 nan nan 0
2004  7 3.21866e+01 6.48233e+00 32
2004  8 3.84209e+01 7.69727e+00 68
2004  9 3.95346e+01 2.18150e+00 7
2004 10 2.66748e+01 8.15929e+00 80
2004 11 2.18686e+01 5.83488e+00 78
2004 12 2.38958e+01 6.43964e+00 57
2005  1 2.55087e+01 1.08799e+01 120
2005  2 3.24853e+01 8.61980e+00 80
2005  3 2.27662e+01 6.73944e+00 121
2005  4 1.35675e+01 4.84906e+00 58
2005  5 2.95800e+01 1.04101e+01 78
2005  6 2.45173e+01 8.07247e+00 48
2005  7 2.58286e+01 1.39399e+01 15
2005  8 1.77980e+01 3.80009e+00 20
2005  9 2.25804e+01 8.29161e+00 55
2005 10 2.60215e+01 8.53823e+00 100
2005 11 2.68836e+01 8.22394e+00 84
2005 12 2.62917e+01 7.98999e+00 87
2006  1 3.08007e+01 6.90277e+00 96
2006  2 2.58204e+01 8.40179e+00 109
2006  3 3.21877e+01 1.00244e+01 129
2006  4 3.82428e+01 9.80317e+00 74
2006  5 3.99866e+01 7.82192e+00 71
2006  6 4.11331e+01 9.01886e+00 54
2006  7 3.75750e+01 4.79932e+00 16
2006  8 3.66303e+01 5.59170e+00 48
2006  9 2.72549e+01 9.13191e+00 84
2006 10 3.10501e+01 9.78064e+00 125
2006 11 2.95711e+01 6.70110e+00 141
2006 12 3.91813e+01 9.37812e+00 96
2007  1 2.60520e+01 9.16485e+00 79
2007  2 2.40487e+01 9.39904e+00 105
2007  3 3.37040e+01 1.09994e+01 121
2007  4 3.72882e+01 1.02018e+01 104
2007  5 4.31664e+01 9.21280e+00 41
2007  6 4.25216e+01 6.80054e+00 18
2007  7 3.02184e+01 4.62761e+00 32
2007  8 2.81348e+01 8.78784e+00 72
2007  9 3.30587e+01 7.54523e+00 54
2007 10 3.16711e+01 8.85171e+00 82
2007 11 2.84771e+01 7.58435e+00 176
2007 12 3.12652e+01 1.38951e+01 46
2008  1 3.11135e+01 1.06944e+01 108
2008  2 3.19436e+01 9.03262e+00 170
2008  3 2.49303e+01 6.56345e+00 116
2008  4 3.04895e+01 8.90899e+00 76
2008  5 3.07936e+01 6.19977e+00 48
2008  6 3.29606e+01 9.01507e+00 30
2008  7 nan nan 0
2008  8 nan nan 0
2008  9 2.76037e+01 7.37680e+00 75
2008 10 2.41296e+01 6.27119e+00 149
2008 11 2.58541e+01 6.01739e+00 175
2008 12 3.03924e+01 8.31551e+00 130
2009  1 2.76816e+01 7.90779e+00 112
2009  2 3.01175e+01 7.75843e+00 135
2009  3 3.19626e+01 9.79168e+00 77
2009  4 1.89880e+01 1.17686e+01 35
2009  5 2.68538e+01 1.05835e+01 28
2009  6 3.06599e+01 5.14628e+00 38
2009  7 5.08839e+01 0.00000e+00 1
2009  8 2.44769e+01 7.28169e+00 47
2009  9 2.23559e+01 1.25590e+01 46
2009 10 2.02442e+01 4.62303e+00 108
2009 11 1.81740e+01 6.34320e+00 83
2009 12 1.18724e+01 4.54809e+00 42
2010  1 1.00511e+01 6.10972e+00 123
2010  2 9.10863e+00 5.11256e+00 96
2010  3 1.60860e+01 6.41170e+00 125
2010  4 2.81146e+01 7.75405e+00 116
2010  5 3.00955e+01 8.76057e+00 51
2010  6 3.72291e+01 9.19310e+00 65
2010  7 3.04755e+01 1.08902e+01 50
2010  8 3.08736e+01 2.40464e+00 16
2010  9 3.27762e+01 5.35550e+00 124
2010 10 3.22403e+01 7.11725e+00 192
2010 11 3.56431e+01 8.74846e+00 185
2010 12 2.66447e+01 8.95198e+00 168
2011  1 2.89949e+01 8.15654e+00 126
2011  2 2.87151e+01 8.13484e+00 151
2011  3 3.08278e+01 7.20652e+00 127
2011  4 3.15219e+01 8.88589e+00 83
2011  5 3.29517e+01 1.28130e+01 127
2011  6 2.65783e+01 3.36769e+00 39
2011  7 3.04922e+01 6.72649e+00 32
2011  8 3.20827e+01 7.97677e+00 75
2011  9 3.73086e+01 6.19395e+00 101
2011 10 3.08664e+01 6.49015e+00 163
2011 11 3.03119e+01 9.05506e+00 176
2011 12 3.50691e+01 8.31772e+00 143
2012  1 3.20493e+01 9.88418e+00 182
2012  2 3.88214e+01 6.31726e+00 16
2012  3 3.40711e+01 1.02034e+01 149
2012  4 4.37919e+01 7.08790e+00 78
2012  5 4.39533e+01 6.36196e+00 74
2012  6 3.17566e+01 1.02900e+01 22
2012  7 3.15080e+01 4.04508e+00 27
2012  8 2.61419e+01 5.81929e+00 16
2012  9 2.29157e+01 9.20861e+00 45
2012 10 1.97714e+01 1.19281e+01 99
2012 11 2.84060e+01 4.35224e+00 130
2012 12 2.24229e+01 1.26453e+01 75
2013  1 2.97575e+01 8.24176e+00 97
2013  2 3.33325e+01 6.84244e+00 59
2013  3 8.96117e+00 5.19725e+00 93
2013  4 2.26994e+01 4.95736e+00 51
2013  5 3.63859e+01 6.45871e+00 37
2013  6 4.01533e+01 6.79140e+00 48
2013  7 nan nan 0
2013  8 2.03263e+01 9.95109e+00 66
2013  9 2.21203e+01 4.04491e+00 63
2013 10 2.36461e+01 5.96452e+00 115
2013 11 3.17430e+01 5.92547e+00 90
2013 12 2.95043e+01 9.39133e+00 101
2014  1 1.34857e+01 7.39938e+00 67
2014  2 2.99668e+01 7.78264e+00 128
2014  3 1.88549e+01 5.63024e+00 65
2014  4 2.27636e+01 7.89466e+00 76
2014  5 2.03287e+01 1.38679e+01 53
2014  6 3.49590e+01 5.97379e+00 56
2014  7 3.33624e+01 8.49881e+00 48
2014  8 3.54054e+01 5.74671e+00 48
2014  9 3.40447e+01 4.86058e+00 53
2014 10 2.97616e+01 7.40603e+00 198
2014 11 2.61224e+01 1.03518e+01 164
2014 12 3.11785e+01 9.37849e+00 128
2015  1 1.64220e+01 5.48093e+00 131
2015  2 1.69448e+01 5.17247e+00 138
2015  3 2.61226e+01 6.65887e+00 81
2015  4 2.59281e+01 5.01242e+00 64
2015  5 3.12056e+01 4.87372e+00 86
2015  6 2.53718e+01 3.94774e+00 20
2015  7 2.69504e+01 3.80575e+00 16
2015  8 2.02110e+01 6.05653e+00 27
2015  9 2.43245e+01 4.60966e+00 52
2015 10 2.93298e+01 7.91464e+00 127
2015 11 2.18526e+01 1.04182e+01 162
2015 12 1.70260e+01 7.93915e+00 73
2016  1 1.05570e+01 4.64365e+00 124
2016  2 2.17211e+01 9.28604e+00 194
2016  3 3.13042e+01 7.52568e+00 83
2016  4 6.62301e+00 5.53689e+00 61
2016  5 3.27115e+01 7.34247e+00 75
2016  6 3.87010e+01 8.69194e+00 87
2016  7 4.01663e+01 7.21490e+00 72
2016  8 2.84398e+01 1.36188e+01 31
2016  9 2.61482e+01 3.84552e+00 46
2016 10 2.67833e+01 7.41497e+00 115
2016 11 3.10395e+01 6.12915e+00 147
2016 12 3.70799e+01 8.81471e+00 165
2017  1 2.78661e+01 1.15276e+01 116
2017  2 3.10831e+01 9.51027e+00 144
2017  3 3.56474e+01 9.14756e+00 108
2017  4 3.51895e+01 1.28972e+01 96
2017  5 3.86378e+01 7.42801e+00 70
2017  6 3.87271e+01 8.39369e+00 33
2017  7 1.62389e+01 1.96185e+01 20
2017  8 3.24090e+01 7.19768e+00 30
2017  9 2.76704e+01 5.35953e+00 48
2017 10 2.71942e+01 6.05011e+00 88
2017 11 3.26924e+01 5.79239e+00 199
2017 12 3.08657e+01 7.24712e+00 64
2018  1 3.03268e+01 1.01008e+01 135
2018  2 4.08507e+01 9.97997e+00 94
2018  3 3.01154e+01 9.63862e+00 137
2018  4 3.45307e+01 6.90827e+00 124
2018  5 4.13247e+01 9.16150e+00 55
2018  6 3.56928e+01 5.22156e+00 50
2018  7 3.24849e+01 6.31113e+00 35
2018  8 nan nan 0
2018  9 2.46247e+01 6.18249e+00 63
2018 10 1.67329e+01 6.14693e+00 156
2018 11 1.39595e+01 5.88386e+00 85
2018 12 1.23472e+01 5.61646e+00 112
2019  1 1.20184e+01 6.89594e+00 141
2019  2 2.01998e+01 5.40472e+00 48
2019  3 2.26113e+01 8.05895e+00 90
2019  4 2.29181e+01 5.11359e+00 69
2019  5 3.37460e+01 6.22117e+00 65
2019  6 3.62479e+01 4.51557e+00 48
2019  7 3.63777e+01 3.60062e+00 16
2019  8 3.32513e+01 6.08508e+00 45
2019  9 2.52119e+01 5.27216e+00 106
2019 10 2.82865e+01 6.89317e+00 107
2019 11 3.13639e+01 7.55290e+00 119
2019 12 3.60948e+01 7.27835e+00 13
2020  1 2.77137e+01 9.40466e+00 64
2020  2 1.80721e+01 8.52492e+00 117
2020  3 2.05457e+01 9.17643e+00 65
2020  4 3.16092e+01 7.51768e+00 101
2020  5 3.23715e+01 9.81657e+00 84
2020  6 3.08358e+01 6.15642e+00 16
2020  7 4.65980e+01 8.57205e+00 23
2020  8 4.14133e+01 6.60127e+00 38
2020  9 3.96385e+00 2.55157e+00 20
2020 10 1.34670e+01 8.47018e+00 78
2020 11 2.09221e+01 5.67985e+00 154
2020 12 2.09392e+01 7.17152e+00 164
2021  1 1.39419e+01 4.80030e+00 89
2021  2 1.80708e+01 9.94734e+00 83
2021  3 2.33349e+01 6.85379e+00 71
2021  4 2.39091e+01 9.00200e+00 116
2021  5 2.88651e+01 6.67295e+00 75
2021  6 nan nan 0
2021  7 2.82903e+01 7.19018e+00 42
2021  8 2.25228e+01 8.68967e+00 39
2021  9 7.73573e+00 4.72069e+00 36
2021 10 1.48418e+01 4.68724e+00 77
2021 11 2.22418e+01 5.93027e+00 181
2021 12 2.92880e+01 7.94707e+00 103
2022  1 2.76599e+01 1.07075e+01 175
2022  2 3.15691e+01 8.07113e+00 99
2022  3 2.56138e+01 9.76875e+00 156
2022  4 3.59910e+01 5.94862e+00 32
2022  5 3.42805e+01 5.81113e+00 48
2022  6 3.10235e+01 7.52057e+00 51
2022  7 3.19617e+01 3.18067e+00 52
2022  8 3.56775e+01 1.16909e+01 64
2022  9 1.71186e+01 3.49160e+00 70
2022 10 2.29581e+01 7.68665e+00 258
2022 11 2.91115e+01 7.63261e+00 79
2022 12 3.18211e+01 1.24618e+01 156
2023  1 3.02806e+01 1.06617e+01 214
2023  2 2.82026e+01 1.14758e+01 167
2023  3 3.70398e+01 9.48044e+00 125
2023  4 2.77657e+01 1.19020e+01 76
2023  5 2.91006e+01 1.01896e+01 44
2023  6 4.10901e+01 8.15748e+00 20
2023  7 2.84636e+01 8.76449e+00 48
2023  8 1.37575e+01 8.88182e+00 49
2023  9 1.72871e+01 9.02260e+00 138
2023 10 2.81646e+01 1.66280e+01 192
2023 11 2.72318e+01 8.95257e+00 140
2023 12 1.45418e+01 7.16924e+00 75
2024  1 1.23375e+01 9.28096e+00 119
2024  2 1.93139e+01 4.82590e+00 159
2024  3 2.25582e+01 7.70474e+00 125
2024  4 nan nan 0