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 1.85104e-01 7.13201e-02 96 2002 8 2.38840e-01 6.01950e-02 48 2002 9 3.41593e-01 1.01097e-01 128 2002 10 4.55613e-01 2.12852e-01 145 2002 11 4.88475e-01 1.56381e-01 224 2002 12 3.53017e-01 9.58248e-02 189 2003 1 3.53068e-01 9.66946e-02 240 2003 2 2.71967e-01 5.29259e-02 112 2003 3 2.37788e+00 2.76977e+00 96 2003 4 5.13638e-01 4.26489e-01 196 2003 5 4.28051e-01 1.15268e-01 48 2003 6 2.38110e-01 4.54044e-02 41 2003 7 4.41652e-01 2.94662e-01 55 2003 8 7.67587e-01 5.41073e-01 48 2003 9 3.82399e-01 2.01008e-01 112 2003 10 3.10886e-01 1.52743e-01 208 2003 11 4.11119e-01 1.58200e-01 286 2003 12 3.55700e-01 1.12344e-01 176 2004 1 2.24535e-01 4.43263e-02 152 2004 2 3.93711e-01 1.32915e-01 96 2004 3 4.78777e-01 4.01122e-01 232 2004 4 2.35578e-01 1.07470e-01 155 2004 5 1.42098e-01 1.83710e-02 162 2004 6 1.46044e-01 1.85748e-02 93 2004 7 3.83394e-01 3.20588e-01 64 2004 8 2.02228e-01 6.32300e-02 112 2004 9 4.20420e-01 1.83240e-01 144 2004 10 3.92422e-01 1.48256e-01 115 2004 11 5.35155e-01 2.74704e-01 156 2004 12 5.16161e-01 1.75603e-01 128 2005 1 3.70784e-01 1.28530e-01 143 2005 2 2.91816e-01 1.01845e-01 96 2005 3 3.62986e-01 1.19085e-01 208 2005 4 6.01536e-01 2.38483e-01 84 2005 5 2.50024e-01 6.44226e-02 159 2005 6 3.09854e-01 2.58888e-01 122 2005 7 4.28706e-01 1.77718e-01 101 2005 8 5.99380e-01 1.11279e-01 56 2005 9 5.43657e-01 2.12014e-01 84 2005 10 3.46564e-01 1.45238e-01 231 2005 11 2.71586e-01 7.23798e-02 232 2005 12 3.21510e-01 7.14578e-02 176 2006 1 3.49694e-01 9.80990e-02 176 2006 2 3.35683e-01 1.26168e-01 192 2006 3 2.81278e-01 7.45909e-02 230 2006 4 1.92769e-01 4.89786e-02 189 2006 5 1.55685e-01 2.38338e-02 144 2006 6 1.73315e-01 3.61231e-02 84 2006 7 1.76358e-01 1.51770e-02 80 2006 8 1.96226e-01 5.08657e-02 137 2006 9 2.39017e-01 6.70280e-02 144 2006 10 2.73439e-01 1.44734e-01 224 2006 11 2.65689e-01 1.13000e-01 234 2006 12 2.87086e-01 1.68211e-01 112 2007 1 5.37853e-01 2.13620e-01 62 2007 2 3.62947e-01 1.15005e-01 217 2007 3 2.24359e-01 7.08853e-02 303 2007 4 1.90956e-01 6.84191e-02 201 2007 5 1.70145e-01 1.16133e-02 96 2007 6 1.57487e-01 2.01037e-02 64 2007 7 1.80124e-01 3.10087e-02 125 2007 8 2.17326e-01 2.83885e-02 84 2007 9 3.49442e-01 1.37000e-01 112 2007 10 2.29578e-01 7.75322e-02 144 2007 11 2.05671e-01 7.54990e-02 272 2007 12 2.64613e-01 1.36273e-01 130 2008 1 2.76261e-01 1.82459e-01 208 2008 2 2.92528e-01 1.61088e-01 267 2008 3 4.17969e-01 1.75081e-01 207 2008 4 3.00763e-01 1.29846e-01 190 2008 5 1.82929e-01 2.98403e-02 117 2008 6 1.92975e-01 6.92743e-02 128 2008 7 1.94594e-01 3.58732e-02 32 2008 8 1.72643e-01 4.42769e-02 48 2008 9 5.96599e-01 4.32440e-01 144 2008 10 3.47360e-01 1.08701e-01 272 2008 11 3.17504e-01 7.77529e-02 256 2008 12 4.48057e-01 1.48263e-01 240 2009 1 3.10237e-01 4.28446e-02 129 2009 2 2.38722e-01 4.98576e-02 232 2009 3 2.16504e-01 3.06854e-02 171 2009 4 5.21594e-01 2.61927e-01 144 2009 5 2.65785e-01 8.01982e-02 128 2009 6 1.83764e-01 3.97482e-02 53 2009 7 1.74620e-01 2.77938e-02 68 2009 8 2.35669e-01 8.60035e-02 93 2009 9 2.60606e-01 3.94141e-02 91 2009 10 3.26609e-01 1.00973e-01 204 2009 11 4.07348e-01 1.57810e-01 176 2009 12 7.55760e-01 1.25218e-01 64 2010 1 6.16265e-01 1.95163e-01 158 2010 2 6.36326e-01 2.50519e-01 190 2010 3 3.62401e-01 1.23364e-01 208 2010 4 4.10903e-01 1.75302e-01 208 2010 5 2.53875e-01 6.82244e-02 105 2010 6 2.04748e-01 3.75526e-02 128 2010 7 1.97788e-01 2.13578e-02 64 2010 8 1.63516e-01 4.40820e-02 78 2010 9 2.52454e-01 6.25455e-02 177 2010 10 2.13990e-01 6.29261e-02 304 2010 11 2.51560e-01 7.27044e-02 304 2010 12 2.45646e-01 1.12382e-01 240 2011 1 2.51429e-01 7.31555e-02 192 2011 2 2.82398e-01 4.51594e-02 159 2011 3 2.07937e-01 4.51373e-02 192 2011 4 2.37381e-01 1.26427e-01 192 2011 5 1.80582e-01 3.19402e-02 178 2011 6 2.16576e-01 4.89128e-02 128 2011 7 2.31511e-01 5.48393e-02 48 2011 8 2.18186e-01 5.00044e-02 143 2011 9 1.87795e-01 4.41271e-02 176 2011 10 2.58574e-01 1.83080e-01 269 2011 11 2.64979e-01 1.38025e-01 224 2011 12 2.41515e-01 1.42199e-01 270 2012 1 2.47335e-01 1.77941e-01 272 2012 2 1.67291e-01 3.46160e-02 48 2012 3 1.68702e-01 4.68486e-02 208 2012 4 1.56593e-01 2.39176e-02 176 2012 5 1.43708e-01 2.02400e-02 144 2012 6 3.27253e-01 2.78980e-01 71 2012 7 3.07029e-01 2.06511e-01 128 2012 8 7.02541e-01 2.49773e-01 48 2012 9 3.97815e-01 1.79701e-01 72 2012 10 6.71780e-01 3.97253e-01 208 2012 11 2.99588e-01 1.50830e-01 232 2012 12 2.72314e-01 5.29103e-02 112 2013 1 2.67560e-01 9.79610e-02 124 2013 2 2.34146e-01 7.45001e-02 172 2013 3 4.93618e-01 2.40318e-01 192 2013 4 4.04545e-01 1.56760e-01 80 2013 5 2.54840e-01 7.63324e-02 68 2013 6 2.54437e-01 1.03495e-01 73 2013 7 4.39833e-01 1.75511e-01 32 2013 8 4.77899e-01 2.91792e-01 46 2013 9 5.47529e-01 8.17226e-01 176 2013 10 5.16870e-01 3.48323e-01 169 2013 11 3.08847e-01 6.92758e-02 80 2013 12 3.26098e-01 9.25802e-02 173 2014 1 5.09615e-01 2.33246e-01 128 2014 2 3.92256e-01 9.39688e-02 144 2014 3 6.82114e-01 4.64803e-01 156 2014 4 5.58514e-01 2.67007e-01 128 2014 5 4.00587e-01 2.65725e-01 103 2014 6 1.88126e-01 7.06017e-02 142 2014 7 1.98048e-01 2.64522e-02 80 2014 8 1.81740e-01 6.13149e-02 133 2014 9 2.50219e-01 1.95100e-01 120 2014 10 2.56395e-01 8.05631e-02 304 2014 11 1.90269e-01 3.43451e-02 240 2014 12 2.93910e-01 9.20451e-02 205 2015 1 6.22722e-01 1.95496e-01 168 2015 2 4.97138e-01 1.92898e-01 174 2015 3 3.26411e-01 1.39974e-01 120 2015 4 1.99819e-01 3.97159e-02 48 2015 5 2.70574e-01 2.59641e-01 137 2015 6 2.09063e-01 3.41505e-02 86 2015 7 1.92436e-01 3.14098e-02 54 2015 8 2.16110e-01 7.06647e-02 82 2015 9 2.17200e-01 7.34564e-02 128 2015 10 3.26526e-01 2.04527e-01 212 2015 11 5.10613e-01 1.84749e-01 194 2015 12 5.33803e-01 2.22752e-01 112 2016 1 6.78153e-01 1.54053e-01 120 2016 2 4.41051e-01 1.17054e-01 288 2016 3 3.31869e-01 7.94404e-02 162 2016 4 4.24566e-01 6.30925e-02 80 2016 5 2.52137e-01 1.08403e-01 111 2016 6 1.83770e-01 3.41323e-02 128 2016 7 1.75639e-01 3.02198e-02 176 2016 8 2.95128e-01 1.11803e-01 128 2016 9 2.94901e-01 1.96572e-01 184 2016 10 3.47322e-01 3.01162e-01 276 2016 11 2.19525e-01 5.12349e-02 206 2016 12 2.49965e-01 8.51070e-02 208 2017 1 3.32739e-01 1.50302e-01 172 2017 2 3.50862e-01 8.88133e-02 229 2017 3 2.72414e-01 1.17104e-01 245 2017 4 1.80357e-01 3.50635e-02 144 2017 5 2.06932e-01 3.01209e-02 128 2017 6 2.12105e-01 2.82757e-02 51 2017 7 2.58606e-01 1.87447e-01 84 2017 8 3.71330e-01 1.06762e-01 72 2017 9 6.09939e-01 6.17371e-01 147 2017 10 3.39802e-01 1.41681e-01 240 2017 11 2.40097e-01 4.40084e-02 305 2017 12 2.73199e-01 9.76124e-02 124 2018 1 2.15556e-01 7.81184e-02 261 2018 2 2.12937e-01 4.23467e-02 79 2018 3 2.33133e-01 6.67690e-02 230 2018 4 2.06690e-01 5.12950e-02 144 2018 5 2.03793e-01 3.46602e-02 86 2018 6 2.39936e-01 1.13472e-01 105 2018 7 2.16787e-01 4.68430e-02 95 2018 8 2.93954e-01 6.28156e-02 51 2018 9 4.54924e-01 2.79039e-01 213 2018 10 5.96252e-01 3.23165e-01 283 2018 11 4.52033e-01 1.35999e-01 112 2018 12 9.34527e-01 3.85525e-01 128 2019 1 9.60190e-01 4.95814e-01 256 2019 2 9.36433e-01 4.93042e-01 80 2019 3 4.72551e-01 1.91265e-01 256 2019 4 4.10300e-01 1.19273e-01 97 2019 5 2.29170e-01 4.81243e-02 192 2019 6 2.02786e-01 8.34938e-02 82 2019 7 1.92575e-01 3.15212e-02 80 2019 8 1.98667e-01 6.35888e-02 131 2019 9 2.49434e-01 7.06052e-02 240 2019 10 3.69464e-01 1.28893e-01 203 2019 11 2.26201e-01 5.40600e-02 176 2019 12 2.98828e-01 8.44260e-02 128 2020 1 2.78936e-01 5.37789e-02 160 2020 2 4.38569e-01 6.29394e-01 126 2020 3 1.51821e+00 8.18493e+00 163 2020 4 2.39246e-01 5.79647e-02 128 2020 5 2.43652e-01 5.94262e-02 128 2020 6 4.09396e-01 2.34758e-01 96 2020 7 1.62224e-01 1.03365e-02 16 2020 8 2.48169e-01 5.85369e-02 80 2020 9 1.60174e+00 2.03334e+00 91 2020 10 6.93165e-01 3.67788e-01 166 2020 11 6.93019e-01 2.51931e-01 229 2020 12 3.76739e-01 1.00368e-01 242 2021 1 6.18290e-01 3.70380e-01 89 2021 2 8.62101e-01 7.02935e-01 96 2021 3 8.70381e-01 4.41246e-01 133 2021 4 4.68759e-01 2.86355e-01 131 2021 5 2.89313e-01 6.14629e-02 192 2021 6 1.63738e-01 2.34684e-02 48 2021 7 3.53807e-01 3.28083e-01 94 2021 8 4.77067e-01 1.71338e-01 120 2021 9 7.27644e-01 7.39835e-01 62 2021 10 2.21233e+01 1.35132e+02 83 2021 11 4.94212e-01 1.65801e-01 240 2021 12 5.17368e-01 1.21674e-01 126 2022 1 5.24365e-01 2.49467e-01 240 2022 2 3.24073e-01 8.26652e-02 161 2022 3 3.36609e-01 1.59329e-01 192 2022 4 7.20329e-01 3.84759e-01 75 2022 5 2.11681e-01 3.22725e-02 92 2022 6 1.94995e-01 5.24885e-02 114 2022 7 2.42244e-01 1.26515e-01 96 2022 8 2.14479e-01 4.93345e-02 96 2022 9 2.16015e-01 5.77591e-02 171 2022 10 2.47046e-01 9.53779e-02 289 2022 11 2.25879e-01 5.34018e-02 176 2022 12 2.89067e-01 1.32228e-01 206 2023 1 2.79297e-01 6.75805e-02 248 2023 2 3.49530e-01 9.66552e-02 179 2023 3 2.42622e-01 5.28872e-02 176 2023 4 1.88573e-01 2.98289e-02 96 2023 5 2.21984e-01 1.27850e-01 112 2023 6 1.62386e-01 6.10944e-02 114 2023 7 2.41526e-01 5.88600e-02 64 2023 8 2.16204e-01 8.37314e-02 140 2023 9 4.63417e-01 5.05188e-01 144 2023 10 3.36005e-01 8.12984e-02 224 2023 11 3.22392e-01 8.47506e-02 192 2023 12 7.06540e-01 5.40129e-01 80 2024 1 8.24162e-01 4.05293e-01 99 2024 2 6.20772e-01 3.56307e-01 158 2024 3 3.98529e-01 1.31030e-01 112 2024 4 nan nan 0