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 6.86545e-02 1.82286e-02 176 2002 8 5.63821e-02 2.98395e-03 112 2002 9 1.07471e-01 4.63048e-02 79 2002 10 9.85917e-02 1.96623e-02 96 2002 11 1.08238e-01 1.87840e-02 165 2002 12 2.26228e-01 1.96703e-01 176 2003 1 2.10232e-01 1.03058e-01 256 2003 2 1.01188e-01 1.84974e-02 224 2003 3 1.33703e-01 7.85769e-02 144 2003 4 2.22037e-01 1.56892e-01 144 2003 5 1.46719e-01 1.38251e-02 32 2003 6 nan nan 0 2003 7 1.56694e-01 2.48394e-02 64 2003 8 1.44720e-01 6.38347e-02 90 2003 9 7.60872e-02 1.77013e-02 133 2003 10 6.88346e-02 9.31712e-03 208 2003 11 7.32763e-02 1.23903e-02 270 2003 12 1.07680e-01 1.65055e-02 208 2004 1 7.46056e-02 6.35282e-03 144 2004 2 8.52750e-02 1.18465e-02 80 2004 3 8.05450e-02 8.54851e-03 160 2004 4 8.84597e-02 2.64713e-02 164 2004 5 6.96645e-02 3.76278e-02 124 2004 6 1.06529e-01 1.77548e-02 96 2004 7 1.80992e-01 1.11318e-01 80 2004 8 9.23387e-02 2.43952e-02 124 2004 9 1.37143e-01 7.48279e-02 176 2004 10 9.61881e-02 2.70862e-02 135 2004 11 1.00357e-01 1.07494e-02 94 2004 12 1.44042e-01 1.61259e-02 160 2005 1 1.01323e-01 1.81011e-02 128 2005 2 9.28250e-02 1.09452e-02 64 2005 3 1.11887e-01 3.50695e-02 150 2005 4 1.37206e-01 4.25957e-02 128 2005 5 1.12556e-01 5.79083e-02 147 2005 6 8.33915e-02 2.67106e-02 164 2005 7 1.15444e-01 5.17995e-02 96 2005 8 1.05644e-01 8.75116e-02 64 2005 9 1.05722e-01 2.55473e-02 192 2005 10 1.17675e-01 5.23622e-02 304 2005 11 7.73143e-02 1.62402e-02 189 2005 12 7.85252e-02 1.50161e-02 131 2006 1 1.02213e-01 2.59062e-02 128 2006 2 1.33424e-01 3.38882e-02 176 2006 3 7.27835e-02 1.37882e-02 254 2006 4 1.09488e-01 6.38743e-02 145 2006 5 9.80000e-02 2.37522e-02 208 2006 6 1.01979e-01 4.36543e-02 177 2006 7 4.51344e-02 2.31842e-03 64 2006 8 6.40636e-02 1.08158e-02 176 2006 9 5.82824e-02 9.59646e-03 165 2006 10 8.77500e-02 1.86925e-02 208 2006 11 8.72253e-02 1.91289e-02 221 2006 12 7.46341e-02 1.93184e-02 176 2007 1 8.10438e-02 1.02599e-02 73 2007 2 7.21359e-02 1.37702e-02 128 2007 3 6.42922e-02 8.18198e-03 219 2007 4 7.19903e-02 1.12669e-02 144 2007 5 5.20066e-02 9.01430e-03 61 2007 6 7.37872e-02 9.43632e-03 94 2007 7 7.86375e-02 2.13724e-02 96 2007 8 5.28425e-02 3.99408e-03 80 2007 9 6.45406e-02 1.08205e-02 128 2007 10 1.30527e-01 9.11929e-02 171 2007 11 6.68812e-02 7.88941e-03 224 2007 12 6.51500e-02 7.01033e-03 144 2008 1 8.78297e-02 1.30002e-02 128 2008 2 8.11242e-02 2.10178e-02 264 2008 3 1.63650e-01 3.77217e-02 144 2008 4 1.28537e-01 3.23810e-02 126 2008 5 1.91153e-01 1.40278e-01 90 2008 6 1.77907e-01 7.60892e-02 189 2008 7 9.51035e-02 1.14054e-02 87 2008 8 1.20467e-01 2.28491e-02 116 2008 9 7.84344e-02 2.09175e-02 128 2008 10 6.91397e-02 7.09794e-03 179 2008 11 5.93721e-02 7.80314e-03 272 2008 12 7.85215e-02 2.51802e-02 163 2009 1 1.19612e-01 7.94286e-02 191 2009 2 1.20505e-01 1.88545e-02 154 2009 3 1.03189e-01 2.97372e-02 111 2009 4 4.55788e-01 1.78008e-01 96 2009 5 1.01804e-01 2.00805e-02 48 2009 6 1.68519e-01 7.51823e-02 123 2009 7 7.83917e-02 9.62540e-03 48 2009 8 6.64061e-02 7.78560e-03 131 2009 9 5.80672e-02 7.51148e-03 119 2009 10 7.90233e-02 1.42061e-02 146 2009 11 1.06117e-01 3.39069e-02 176 2009 12 1.66698e-01 7.33893e-02 82 2010 1 1.90040e-01 6.75506e-02 174 2010 2 3.14098e-01 1.13899e-01 176 2010 3 2.13030e-01 7.86057e-02 154 2010 4 1.74149e-01 1.44741e-01 160 2010 5 1.16932e-01 2.57269e-02 115 2010 6 1.75736e-01 1.13548e-01 138 2010 7 8.80325e-02 2.28856e-02 80 2010 8 8.53875e-02 9.36638e-03 96 2010 9 8.88989e-02 2.94680e-02 176 2010 10 7.23358e-02 1.18957e-02 330 2010 11 9.29520e-02 1.29817e-02 200 2010 12 1.26834e-01 1.81215e-02 224 2011 1 1.83444e-01 1.44524e-01 190 2011 2 1.33527e-01 3.38021e-02 192 2011 3 1.44550e-01 1.10919e-01 173 2011 4 1.74852e-01 1.08656e-01 122 2011 5 1.19358e-01 2.14997e-02 133 2011 6 1.58026e-01 3.93082e-02 168 2011 7 1.04463e-01 3.03574e-02 124 2011 8 1.30605e-01 3.76652e-02 160 2011 9 1.15447e-01 5.50072e-02 192 2011 10 9.09007e-02 1.40647e-02 296 2011 11 7.81328e-02 8.21912e-03 125 2011 12 8.01691e-02 2.16014e-03 84 2012 1 1.10677e-01 6.50525e-02 204 2012 2 1.01981e-01 1.60048e-02 32 2012 3 7.91927e-02 3.80593e-02 192 2012 4 7.73703e-02 3.16407e-02 148 2012 5 6.90408e-02 9.34324e-03 142 2012 6 6.59973e-02 1.58980e-02 150 2012 7 5.97975e-02 7.53218e-03 79 2012 8 7.04886e-02 1.40444e-02 79 2012 9 8.50338e-02 3.57730e-02 160 2012 10 7.89960e-02 1.82459e-02 304 2012 11 9.09140e-02 1.38910e-02 272 2012 12 6.89153e-02 4.78676e-03 144 2013 1 6.64778e-02 5.32234e-03 144 2013 2 1.06588e-01 7.08612e-02 116 2013 3 3.27142e-01 3.51788e-01 239 2013 4 9.55952e-02 4.21656e-02 84 2013 5 9.96132e-02 5.95884e-02 121 2013 6 9.55625e-02 4.04164e-02 80 2013 7 1.01233e-01 3.47452e-02 144 2013 8 1.80830e-01 6.29719e-02 80 2013 9 1.01127e-01 4.05271e-02 192 2013 10 7.63375e-02 1.01307e-02 160 2013 11 8.03443e-02 2.34936e-02 158 2013 12 6.95089e-02 1.18734e-02 112 2014 1 9.80225e-02 2.68256e-02 160 2014 2 8.92000e-02 1.14521e-02 144 2014 3 8.60139e-02 1.71977e-02 144 2014 4 1.70860e-01 1.35978e-01 80 2014 5 2.54684e-01 1.49609e-01 157 2014 6 2.93235e-01 1.77851e-01 51 2014 7 9.71614e-02 1.75462e-02 114 2014 8 9.66556e-02 4.06223e-02 144 2014 9 5.52786e-02 2.62697e-03 112 2014 10 7.60840e-02 8.97248e-03 293 2014 11 8.06432e-02 1.17956e-02 213 2014 12 7.61063e-02 1.01427e-02 160 2015 1 8.55466e-02 2.20543e-02 176 2015 2 7.89458e-02 2.66743e-02 192 2015 3 6.80207e-02 1.15480e-02 116 2015 4 8.12388e-02 1.63271e-02 67 2015 5 6.88602e-02 1.95379e-02 133 2015 6 6.76088e-02 1.90247e-02 160 2015 7 2.03890e-01 3.06738e-01 69 2015 8 8.76813e-02 3.38303e-02 192 2015 9 5.55347e-02 3.18293e-03 144 2015 10 7.52170e-02 6.67774e-03 176 2015 11 1.40756e-01 5.28898e-02 124 2015 12 7.94339e-02 1.27552e-02 112 2016 1 1.13869e-01 2.79924e-02 140 2016 2 2.33616e-01 1.25139e-01 256 2016 3 1.59679e-01 3.03680e-02 96 2016 4 2.07520e-01 1.60346e-01 174 2016 5 1.71566e-01 1.80026e-01 192 2016 6 2.21106e-01 1.09970e-01 100 2016 7 1.65796e-01 2.58971e-02 100 2016 8 7.73039e-02 1.27106e-02 129 2016 9 7.02986e-02 8.10850e-03 144 2016 10 6.87132e-02 9.34376e-03 288 2016 11 7.56441e-02 8.49810e-03 236 2016 12 8.31544e-02 2.30049e-02 171 2017 1 1.32206e-01 4.71948e-02 200 2017 2 1.33118e-01 5.38877e-02 192 2017 3 9.84742e-02 1.59399e-02 159 2017 4 9.18250e-02 1.58105e-02 104 2017 5 1.67441e-01 6.90082e-02 176 2017 6 9.05333e-02 9.94902e-03 96 2017 7 4.58108e-01 4.24704e-01 107 2017 8 3.26700e-01 1.29789e-01 112 2017 9 9.47346e-02 2.50852e-02 208 2017 10 9.95119e-02 1.52061e-02 177 2017 11 7.25673e-02 9.84818e-03 208 2017 12 7.14522e-02 9.39927e-03 138 2018 1 8.50491e-02 1.54937e-02 224 2018 2 5.77467e-02 1.35480e-02 75 2018 3 8.45083e-02 4.42199e-02 192 2018 4 9.79683e-02 4.28040e-02 208 2018 5 2.09694e-01 1.91592e-01 160 2018 6 1.13278e-01 2.96533e-02 120 2018 7 8.43036e-02 1.12126e-02 112 2018 8 8.59804e-02 1.14418e-02 112 2018 9 7.51458e-02 1.22931e-02 144 2018 10 9.22819e-02 3.92905e-02 188 2018 11 1.34248e-01 6.75294e-02 108 2018 12 1.73408e-01 4.46861e-02 128 2019 1 2.53369e-01 4.49993e-02 162 2019 2 1.75626e-01 1.39968e-01 38 2019 3 9.65354e-02 1.88655e-02 192 2019 4 9.25286e-02 2.17580e-02 112 2019 5 1.53120e-01 4.56250e-02 128 2019 6 2.94269e-01 1.57572e-01 96 2019 7 2.38491e-01 1.20892e-01 112 2019 8 1.64100e-01 7.38274e-02 80 2019 9 1.02628e-01 2.33496e-02 256 2019 10 8.07039e-02 1.37106e-02 129 2019 11 7.49181e-02 1.38891e-02 144 2019 12 7.54284e-02 8.98652e-03 176 2020 1 7.50563e-02 6.17864e-03 128 2020 2 1.09121e-01 8.42718e-02 117 2020 3 4.97209e-01 5.45806e-01 69 2020 4 2.37702e-01 1.13144e-01 128 2020 5 2.76441e-01 2.17525e-01 112 2020 6 7.40896e-02 1.33690e-02 96 2020 7 1.16261e-01 3.20994e-02 59 2020 8 1.57798e-01 3.13229e-02 97 2020 9 2.05186e-01 1.34418e-01 112 2020 10 1.15316e-01 5.96093e-02 165 2020 11 8.75375e-02 2.04405e-02 208 2020 12 6.48750e-02 1.13247e-02 208 2021 1 1.29168e-01 7.90032e-02 176 2021 2 1.20454e-01 7.23097e-02 125 2021 3 6.52271e-02 1.01110e-02 96 2021 4 6.12681e-02 9.47274e-03 144 2021 5 9.47312e-02 1.89001e-02 96 2021 6 7.92857e-02 2.17441e-02 35 2021 7 3.84792e-01 3.21047e-01 128 2021 8 1.58590e-01 8.27497e-02 96 2021 9 1.76384e-01 8.35553e-02 113 2021 10 1.07468e-01 2.96823e-02 144 2021 11 1.06313e-01 2.91341e-02 208 2021 12 8.58406e-02 9.14079e-03 128 2022 1 1.23650e-01 4.12276e-02 176 2022 2 1.09647e-01 3.11280e-02 176 2022 3 1.01740e-01 4.62484e-02 183 2022 4 8.71825e-02 3.20728e-02 80 2022 5 7.21850e-02 1.16712e-02 120 2022 6 1.12506e-01 3.54779e-02 144 2022 7 8.76603e-02 3.79231e-02 146 2022 8 1.08320e-01 1.85110e-02 128 2022 9 8.29633e-02 9.63826e-03 256 2022 10 7.12672e-02 1.15348e-02 262 2022 11 7.86477e-02 9.19854e-03 176 2022 12 7.42400e-02 1.13995e-02 115 2023 1 8.46215e-02 2.85091e-02 205 2023 2 9.82375e-02 1.41988e-02 144 2023 3 2.17807e-01 1.77080e-01 86 2023 4 7.81238e-02 2.42589e-02 63 2023 5 6.02512e-02 1.66565e-02 160 2023 6 6.79727e-02 1.87990e-02 139 2023 7 1.10043e-01 2.98873e-02 152 2023 8 9.65891e-02 2.76313e-02 184 2023 9 1.08897e-01 2.32468e-02 208 2023 10 8.74520e-02 1.14911e-02 177 2023 11 9.71112e-02 1.39725e-02 169 2023 12 7.82514e-02 1.56702e-02 144 2024 1 8.84375e-02 1.77227e-02 96 2024 2 9.32940e-02 1.07755e-02 117 2024 3 8.97698e-02 1.50440e-02 86 2024 4 9.74250e-02 1.17121e-02 32