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 4.80170e-02 9.05546e-03 176
2002  8 6.21188e-02 8.49766e-03 69
2002  9 1.04891e-01 6.04199e-02 64
2002 10 6.93850e-02 1.27801e-02 120
2002 11 7.10264e-02 1.61631e-02 144
2002 12 9.19507e-02 1.86462e-02 150
2003  1 1.48804e-01 7.62596e-02 240
2003  2 8.91936e-02 7.35790e-03 188
2003  3 7.20167e-02 2.91247e-02 144
2003  4 1.79212e-01 1.47369e-01 160
2003  5 1.28167e-01 7.98784e-03 48
2003  6 nan nan 0
2003  7 1.16467e-01 5.89267e-03 30
2003  8 1.07872e-01 2.39347e-02 47
2003  9 6.00875e-02 7.76737e-03 112
2003 10 5.87385e-02 3.98499e-03 192
2003 11 5.53873e-02 6.96449e-03 221
2003 12 8.72753e-02 1.14344e-02 215
2004  1 6.50396e-02 9.27131e-03 96
2004  2 8.00625e-02 1.28684e-02 80
2004  3 7.50854e-02 1.03751e-02 220
2004  4 6.39830e-02 9.77189e-03 176
2004  5 4.18172e-02 5.60870e-03 128
2004  6 9.18375e-02 1.13793e-02 48
2004  7 2.63954e-01 1.62561e-01 69
2004  8 1.02755e-01 3.98793e-02 112
2004  9 1.01672e-01 5.84138e-02 191
2004 10 7.94724e-02 1.96115e-02 116
2004 11 9.07800e-02 3.34763e-03 80
2004 12 1.07215e-01 1.04988e-02 137
2005  1 8.92313e-02 1.32161e-02 160
2005  2 7.83441e-02 6.74574e-03 111
2005  3 9.74103e-02 2.12058e-02 156
2005  4 8.93206e-02 2.91464e-02 141
2005  5 7.36393e-02 1.83958e-02 112
2005  6 6.99146e-02 1.50614e-02 206
2005  7 7.98776e-02 4.57092e-02 134
2005  8 7.71031e-02 5.70424e-02 64
2005  9 8.07669e-02 2.42820e-02 175
2005 10 6.17896e-02 1.28755e-02 288
2005 11 7.39537e-02 7.73528e-03 147
2005 12 7.67841e-02 1.01742e-02 126
2006  1 8.31964e-02 1.49903e-02 112
2006  2 9.22462e-02 1.39992e-02 160
2006  3 6.00892e-02 9.59118e-03 213
2006  4 8.37637e-02 3.75478e-02 160
2006  5 9.20792e-02 1.57527e-02 159
2006  6 9.32159e-02 3.42044e-02 176
2006  7 4.52622e-02 2.46137e-03 45
2006  8 4.92632e-02 4.99607e-03 152
2006  9 5.33389e-02 6.84102e-03 144
2006 10 6.62410e-02 1.73425e-02 200
2006 11 6.91063e-02 1.45297e-02 256
2006 12 7.03750e-02 1.24848e-02 160
2007  1 8.30725e-02 1.33482e-02 80
2007  2 8.00071e-02 3.20351e-02 113
2007  3 7.06838e-02 9.19893e-03 179
2007  4 5.93362e-02 3.83597e-03 160
2007  5 4.49075e-02 8.20335e-03 80
2007  6 5.92101e-02 1.56989e-02 99
2007  7 5.23875e-02 1.21373e-02 80
2007  8 5.25812e-02 2.53937e-03 32
2007  9 5.97115e-02 8.52789e-03 113
2007 10 6.75810e-02 9.61657e-03 190
2007 11 6.23302e-02 3.10261e-03 192
2007 12 6.60018e-02 7.56852e-03 112
2008  1 7.99415e-02 1.19173e-02 106
2008  2 7.14272e-02 9.22843e-03 228
2008  3 1.10453e-01 2.37147e-02 128
2008  4 7.47875e-02 9.20416e-03 96
2008  5 1.86531e-01 1.78776e-01 110
2008  6 2.95404e-01 3.29389e-01 134
2008  7 1.04224e-01 1.00157e-02 33
2008  8 9.39917e-02 7.78117e-03 96
2008  9 6.34762e-02 1.52695e-02 147
2008 10 6.02016e-02 7.52502e-03 128
2008 11 5.51599e-02 5.65837e-03 299
2008 12 7.02837e-02 1.09510e-02 208
2009  1 9.36659e-02 2.29770e-02 176
2009  2 9.88484e-02 4.99848e-03 128
2009  3 9.97102e-02 2.78945e-02 147
2009  4 2.40457e-01 1.03983e-01 80
2009  5 1.02567e-01 4.55355e-02 72
2009  6 1.57973e-01 6.54897e-02 131
2009  7 8.77727e-02 1.15665e-02 44
2009  8 6.18687e-02 7.92245e-03 128
2009  9 5.57000e-02 5.74103e-03 106
2009 10 6.65712e-02 2.99770e-02 139
2009 11 7.17597e-02 1.16491e-02 144
2009 12 7.78921e-02 1.21344e-02 89
2010  1 1.23035e-01 6.94782e-02 176
2010  2 2.20497e-01 9.16555e-02 130
2010  3 1.33969e-01 2.88878e-02 144
2010  4 1.30800e-01 5.21711e-02 157
2010  5 8.50129e-02 2.23034e-02 124
2010  6 1.44536e-01 6.17616e-02 144
2010  7 6.57938e-02 3.94382e-03 64
2010  8 8.60625e-02 1.61065e-02 96
2010  9 7.53028e-02 2.47224e-02 144
2010 10 6.30367e-02 8.81582e-03 338
2010 11 7.58019e-02 1.10746e-02 208
2010 12 1.09205e-01 2.49334e-02 194
2011  1 1.17051e-01 4.72412e-02 176
2011  2 1.14531e-01 1.98070e-02 192
2011  3 8.70150e-02 5.98042e-02 160
2011  4 1.44914e-01 2.29733e-01 121
2011  5 1.01553e-01 3.32613e-02 165
2011  6 1.60414e-01 3.28444e-02 112
2011  7 8.89643e-02 1.63733e-02 112
2011  8 1.30322e-01 2.76144e-02 171
2011  9 8.79747e-02 4.26261e-02 206
2011 10 6.76656e-02 1.17698e-02 256
2011 11 7.50071e-02 7.40714e-03 112
2011 12 7.06225e-02 4.65199e-03 80
2012  1 8.94850e-02 1.68434e-02 207
2012  2 7.35500e-02 7.00000e-04 32
2012  3 6.49087e-02 1.84693e-02 208
2012  4 6.50416e-02 2.33517e-02 154
2012  5 5.25463e-02 1.15170e-02 175
2012  6 5.61358e-02 9.93904e-03 159
2012  7 5.00937e-02 1.33883e-03 32
2012  8 8.23034e-02 1.03153e-02 58
2012  9 7.76220e-02 3.36024e-02 173
2012 10 6.36000e-02 1.07498e-02 272
2012 11 6.62063e-02 8.92659e-03 223
2012 12 6.62426e-02 6.33269e-03 108
2013  1 7.00214e-02 7.72941e-03 112
2013  2 8.58339e-02 2.70654e-02 112
2013  3 1.62393e-01 1.06747e-01 176
2013  4 5.95375e-02 1.56386e-02 80
2013  5 7.06107e-02 1.25280e-02 112
2013  6 4.72850e-02 1.15034e-02 80
2013  7 9.06536e-02 3.29571e-02 112
2013  8 1.79694e-01 1.12959e-01 64
2013  9 7.97120e-02 2.20116e-02 159
2013 10 5.74125e-02 8.73054e-03 112
2013 11 5.95480e-02 3.72506e-03 127
2013 12 5.87937e-02 3.62866e-03 127
2014  1 6.85659e-02 4.52686e-03 176
2014  2 8.88825e-02 1.50454e-02 160
2014  3 7.91472e-02 6.99528e-03 144
2014  4 8.46759e-02 5.44828e-02 116
2014  5 2.41280e-01 1.75656e-01 98
2014  6 2.30239e-01 2.16932e-01 87
2014  7 8.05875e-02 1.97345e-02 80
2014  8 8.57453e-02 3.21752e-02 128
2014  9 5.32946e-02 4.69247e-03 112
2014 10 6.58194e-02 6.78076e-03 309
2014 11 6.88654e-02 5.77854e-03 208
2014 12 6.70544e-02 5.48787e-03 114
2015  1 8.02667e-02 1.23203e-02 144
2015  2 7.65906e-02 7.40817e-03 192
2015  3 5.99125e-02 6.76526e-03 144
2015  4 6.29167e-02 7.02344e-03 84
2015  5 5.19569e-02 9.92920e-03 144
2015  6 5.74514e-02 1.99634e-02 144
2015  7 1.08017e-01 7.14514e-03 48
2015  8 7.68150e-02 2.73553e-02 160
2015  9 5.50703e-02 4.19697e-03 148
2015 10 5.95486e-02 9.99900e-03 148
2015 11 8.71839e-02 1.92048e-02 112
2015 12 6.80275e-02 6.02708e-03 80
2016  1 6.99563e-02 9.63851e-03 160
2016  2 1.54113e-01 4.95109e-02 240
2016  3 1.62972e-01 6.89763e-02 71
2016  4 1.55938e-01 6.55801e-02 160
2016  5 9.16510e-02 2.21301e-02 192
2016  6 1.26537e-01 4.10347e-02 112
2016  7 2.71831e-01 1.17020e-01 78
2016  8 6.93041e-02 7.10991e-03 121
2016  9 5.93286e-02 6.24419e-03 112
2016 10 6.60618e-02 7.28023e-03 272
2016 11 5.57355e-02 5.93034e-03 211
2016 12 6.74547e-02 7.22951e-03 179
2017  1 9.10947e-02 4.46289e-02 190
2017  2 1.03137e-01 2.11324e-02 224
2017  3 7.17813e-02 1.19188e-02 139
2017  4 7.09326e-02 6.85327e-03 95
2017  5 1.35223e-01 5.11141e-02 160
2017  6 7.64792e-02 7.16906e-03 96
2017  7 3.91451e-01 5.32889e-01 86
2017  8 1.97895e-01 1.54773e-01 82
2017  9 8.11531e-02 9.67299e-03 192
2017 10 7.71745e-02 2.17048e-02 204
2017 11 6.47875e-02 5.98744e-03 192
2017 12 7.07397e-02 1.07265e-02 136
2018  1 8.60433e-02 2.13655e-02 208
2018  2 6.09464e-02 9.23681e-03 112
2018  3 6.27842e-02 2.14925e-02 190
2018  4 7.78398e-02 3.59376e-02 176
2018  5 1.39356e-01 5.99057e-02 147
2018  6 1.13637e-01 3.64341e-02 80
2018  7 7.53736e-02 8.76395e-03 144
2018  8 9.04179e-02 1.24381e-02 112
2018  9 6.49603e-02 4.00832e-02 116
2018 10 6.89654e-02 1.98225e-02 162
2018 11 9.58281e-02 1.94222e-02 64
2018 12 1.09560e-01 1.95108e-02 80
2019  1 1.81411e-01 5.19037e-02 128
2019  2 1.05362e-01 3.67849e-02 48
2019  3 7.67927e-02 6.05438e-03 192
2019  4 9.14657e-02 3.11823e-02 143
2019  5 1.88108e-01 1.26748e-01 133
2019  6 4.65218e-01 1.99489e-01 66
2019  7 1.96150e-01 5.80648e-02 80
2019  8 1.28780e-01 5.40878e-02 80
2019  9 1.05930e-01 2.92733e-02 224
2019 10 7.83929e-02 7.03897e-03 112
2019 11 6.19247e-02 9.46455e-03 162
2019 12 6.61705e-02 8.23480e-03 176
2020  1 7.13191e-02 3.90244e-03 136
2020  2 8.22054e-02 3.10215e-02 112
2020  3 2.58712e-01 2.57816e-01 109
2020  4 1.80172e-01 1.11712e-01 143
2020  5 1.34832e-01 6.59202e-02 99
2020  6 5.08494e-02 3.97213e-03 77
2020  7 1.10475e-01 3.22652e-02 96
2020  8 1.53078e-01 9.45132e-02 98
2020  9 8.66476e-02 2.50754e-02 105
2020 10 6.81556e-02 3.08356e-02 144
2020 11 6.09896e-02 1.56937e-02 193
2020 12 6.80071e-02 8.39357e-03 224
2021  1 1.13459e-01 4.13581e-02 128
2021  2 1.26921e-01 6.10573e-02 94
2021  3 6.77250e-02 1.57293e-02 144
2021  4 4.31550e-02 8.35595e-03 160
2021  5 4.62747e-02 5.88673e-03 75
2021  6 1.16906e-01 6.13456e-02 32
2021  7 1.99452e-01 1.22292e-01 80
2021  8 8.35169e-02 2.87743e-02 65
2021  9 1.09788e-01 4.95361e-02 135
2021 10 6.66795e-02 8.22907e-03 151
2021 11 7.70456e-02 1.21934e-02 180
2021 12 7.13470e-02 7.63826e-03 132
2022  1 1.01775e-01 3.04689e-02 160
2022  2 7.83500e-02 1.49788e-02 220
2022  3 9.63594e-02 5.59990e-02 192
2022  4 9.10500e-02 3.60338e-02 96
2022  5 4.58283e-02 1.20501e-02 113
2022  6 1.17589e-01 3.62955e-02 128
2022  7 9.08276e-02 3.89226e-02 87
2022  8 1.09417e-01 1.33040e-02 106
2022  9 6.60525e-02 1.36731e-02 259
2022 10 6.22547e-02 6.71829e-03 256
2022 11 6.60100e-02 7.94153e-03 160
2022 12 6.85509e-02 7.48423e-03 114
2023  1 6.65946e-02 1.54422e-02 224
2023  2 7.64219e-02 1.07059e-02 128
2023  3 1.23382e-01 5.63495e-02 112
2023  4 6.63167e-02 7.82366e-03 60
2023  5 5.23341e-02 7.39390e-03 176
2023  6 5.41250e-02 1.75063e-02 144
2023  7 7.65510e-02 1.64170e-02 143
2023  8 7.94687e-02 1.36218e-02 192
2023  9 1.07001e-01 1.95221e-02 160
2023 10 7.85479e-02 1.57500e-02 192
2023 11 6.99614e-02 5.78294e-03 145
2023 12 7.26906e-02 8.52217e-03 128
2024  1 9.27418e-02 1.71751e-02 79
2024  2 1.14600e-01 3.34367e-02 96
2024  3 9.00667e-02 1.41565e-02 96
2024  4 7.62063e-02 9.14446e-04 32