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 1.79899e-01 2.04599e-02 36 2002 8 2.05606e-01 5.63295e-02 63 2002 9 3.40216e-01 5.77436e-02 72 2002 10 4.99253e-01 6.41686e-01 162 2002 11 5.72970e-01 6.50605e-01 238 2002 12 4.21871e-01 2.10263e-01 208 2003 1 4.06299e-01 2.61585e-01 188 2003 2 2.78878e-01 1.28490e-01 192 2003 3 5.12638e-01 5.70698e-01 77 2003 4 2.86666e-01 1.16019e-01 144 2003 5 7.07598e-01 8.82857e-01 82 2003 6 2.38123e-01 1.81507e-01 64 2003 7 3.22089e-01 4.72066e-02 34 2003 8 5.84714e-01 1.83002e-01 46 2003 9 5.40820e-01 5.23845e-01 38 2003 10 2.67004e-01 1.25862e-01 209 2003 11 3.44023e-01 1.69386e-01 249 2003 12 2.41900e-01 1.01046e-01 223 2004 1 1.90106e-01 2.66032e-02 128 2004 2 2.90989e-01 8.05259e-02 64 2004 3 2.86657e-01 1.43548e-01 134 2004 4 1.88954e-01 3.87268e-02 164 2004 5 1.80063e-01 2.08688e-02 235 2004 6 1.83465e-01 1.36918e-02 16 2004 7 1.70192e-01 1.15630e-02 48 2004 8 1.74063e-01 1.37041e-02 93 2004 9 2.91814e-01 1.46144e-01 74 2004 10 4.10663e-01 3.03589e-01 144 2004 11 3.74446e-01 2.19529e-01 160 2004 12 3.43234e-01 1.53129e-01 176 2005 1 3.00917e-01 1.35411e-01 144 2005 2 2.57535e-01 6.79918e-02 112 2005 3 3.91560e-01 3.07792e-01 192 2005 4 4.36791e-01 1.65978e-01 112 2005 5 3.46671e-01 3.41944e-01 110 2005 6 1.98332e-01 2.88057e-02 64 2005 7 2.95250e-01 1.54346e-01 95 2005 8 1.20330e-01 7.63054e-04 16 2005 9 3.76462e-01 1.23561e-01 64 2005 10 3.57679e-01 1.67108e-01 231 2005 11 4.31987e-01 3.82832e-01 231 2005 12 3.38923e-01 1.08883e-01 152 2006 1 4.41349e-01 3.74270e-01 208 2006 2 5.26358e-01 3.14957e-01 188 2006 3 2.09314e-01 3.41858e-02 234 2006 4 2.03282e-01 2.90294e-02 176 2006 5 1.61383e-01 2.44927e-02 176 2006 6 1.50489e-01 2.41016e-02 105 2006 7 1.76404e-01 3.00371e-02 48 2006 8 1.66357e-01 2.34532e-02 78 2006 9 2.31783e-01 1.18656e-01 141 2006 10 2.60667e-01 1.92787e-01 208 2006 11 2.53313e-01 1.21636e-01 261 2006 12 2.97253e-01 2.55843e-01 174 2007 1 2.92000e-01 6.83416e-02 89 2007 2 2.75643e-01 1.50607e-01 208 2007 3 2.28306e-01 6.76512e-02 286 2007 4 1.78833e-01 2.68452e-02 141 2007 5 1.69616e-01 2.78385e-02 96 2007 6 1.87753e-01 2.42383e-02 48 2007 7 1.67978e-01 2.45691e-02 80 2007 8 1.80970e-01 3.66180e-02 112 2007 9 3.60231e-01 1.53183e-01 112 2007 10 3.54600e-01 1.77487e-01 125 2007 11 5.29852e+00 3.14899e+01 223 2007 12 3.09517e-01 2.12792e-01 142 2008 1 2.56348e-01 1.34019e-01 208 2008 2 2.13440e-01 5.81013e-02 255 2008 3 3.55494e-01 1.39482e-01 194 2008 4 2.32146e-01 5.01821e-02 140 2008 5 2.20369e-01 2.67711e-02 109 2008 6 2.08094e-01 4.84820e-02 96 2008 7 1.83263e-01 4.05880e-02 64 2008 8 1.36852e-01 1.18714e-02 46 2008 9 3.37058e-01 1.06867e-01 112 2008 10 3.04199e-01 1.13590e-01 224 2008 11 2.47888e-01 9.38693e-02 256 2008 12 5.59934e-01 4.88160e-01 176 2009 1 3.36010e-01 2.92707e-01 223 2009 2 2.12539e-01 4.85340e-02 224 2009 3 2.24031e-01 5.08628e-02 220 2009 4 5.56092e+00 2.46941e+01 98 2009 5 3.79765e-01 2.16621e-01 76 2009 6 1.90360e-01 5.34647e-02 68 2009 7 1.64144e-01 2.36960e-02 48 2009 8 5.38110e-01 1.69555e+00 110 2009 9 3.16994e-01 2.92401e-01 104 2009 10 2.78119e-01 1.11656e-01 159 2009 11 3.63242e-01 1.57998e-01 144 2009 12 4.68556e-01 1.29253e-01 48 2010 1 5.62276e-01 2.80582e-01 172 2010 2 4.19299e-01 8.05814e-02 169 2010 3 3.87608e-01 1.80413e-01 192 2010 4 3.93655e-01 1.50692e-01 207 2010 5 2.94876e-01 2.31242e-01 130 2010 6 1.72195e-01 4.06955e-02 96 2010 7 1.92068e-01 2.23640e-02 53 2010 8 1.67082e-01 3.74581e-02 48 2010 9 1.82526e-01 3.40745e-02 184 2010 10 2.30937e-01 1.61678e-01 382 2010 11 2.19737e-01 9.29889e-02 267 2010 12 3.23111e-01 1.33899e-01 224 2011 1 2.42723e-01 4.85440e-02 240 2011 2 2.06698e-01 2.35636e-02 237 2011 3 2.29952e-01 3.05512e-02 192 2011 4 2.27296e-01 6.34799e-02 160 2011 5 1.87494e-01 2.74872e-02 230 2011 6 1.87061e-01 3.60407e-02 128 2011 7 1.89329e-01 1.63396e-02 35 2011 8 1.96584e-01 5.59097e-02 165 2011 9 2.94726e-01 2.26719e-01 176 2011 10 1.99275e-01 3.26364e-02 247 2011 11 1.88675e-01 2.63559e-02 185 2011 12 2.28020e-01 5.73976e-02 168 2012 1 2.13940e-01 5.33493e-02 224 2012 2 2.02296e-01 2.61399e-02 32 2012 3 2.40933e-01 1.24016e-01 201 2012 4 1.89576e-01 3.42027e-02 144 2012 5 1.60295e-01 1.76451e-02 129 2012 6 2.00226e-01 4.24885e-02 96 2012 7 3.92665e-01 2.93911e-01 64 2012 8 2.19931e-01 1.16812e-01 96 2012 9 2.50813e-01 6.78409e-02 97 2012 10 4.25833e-01 1.79290e-01 227 2012 11 1.89029e-01 4.23699e-02 252 2012 12 4.27910e-01 3.49925e-01 96 2013 1 2.86940e-01 2.20919e-01 113 2013 2 2.18749e-01 1.65829e-01 107 2013 3 2.75943e-01 9.51284e-02 154 2013 4 1.32802e+00 2.63897e+00 111 2013 5 1.89053e-01 3.46504e-02 128 2013 6 2.29531e-01 5.50700e-02 53 2013 7 2.25179e-01 4.76322e-02 47 2013 8 3.74694e-01 5.36385e-01 112 2013 9 2.86152e-01 2.05709e-01 178 2013 10 2.32976e+00 1.95726e+01 186 2013 11 4.18010e-01 2.49076e-01 144 2013 12 2.50277e-01 6.93655e-02 181 2014 1 3.62570e-01 1.82235e-01 112 2014 2 2.68398e-01 2.17454e-01 183 2014 3 3.31872e-01 1.45886e-01 156 2014 4 4.20028e-01 3.10056e-01 144 2014 5 1.57199e+00 2.80270e+00 112 2014 6 4.55622e-01 3.63714e-01 80 2014 7 1.95734e-01 2.81628e-02 74 2014 8 1.56346e-01 2.98410e-02 112 2014 9 2.45910e-01 1.36655e-01 117 2014 10 2.05411e-01 4.22669e-02 300 2014 11 1.99554e-01 4.04280e-02 224 2014 12 2.43396e-01 8.68450e-02 204 2015 1 4.77575e-01 2.80868e-01 170 2015 2 2.92164e-01 1.07270e-01 160 2015 3 2.29721e-01 4.78814e-02 156 2015 4 2.29239e-01 6.05859e-02 96 2015 5 2.40216e-01 1.25259e-01 139 2015 6 2.40835e-01 4.97559e-02 110 2015 7 2.05363e-01 4.14423e-02 74 2015 8 1.94040e-01 4.36258e-02 95 2015 9 3.96203e-01 2.75638e-01 64 2015 10 5.19860e-01 7.80864e-01 183 2015 11 4.64538e-01 3.32912e-01 216 2015 12 1.74347e+00 8.41828e+00 94 2016 1 5.09879e-01 2.89214e-01 160 2016 2 4.18449e-01 2.31849e-01 258 2016 3 2.82319e-01 9.05917e-02 144 2016 4 6.23109e+01 3.55349e+02 113 2016 5 3.25300e-01 2.19361e-01 166 2016 6 1.66779e-01 1.89651e-02 144 2016 7 2.33203e-01 7.25415e-02 121 2016 8 1.85237e-01 4.54476e-02 96 2016 9 2.93473e-01 1.98963e-01 84 2016 10 3.77493e-01 3.28718e-01 221 2016 11 2.01319e-01 3.35266e-02 192 2016 12 1.99136e-01 4.04837e-02 208 2017 1 2.91944e-01 2.41457e-01 179 2017 2 2.48094e-01 8.77335e-02 278 2017 3 2.62606e-01 7.47771e-02 192 2017 4 2.25245e-01 6.82946e-02 102 2017 5 2.00417e-01 3.36170e-02 128 2017 6 2.23849e-01 2.84507e-02 32 2017 7 2.56151e-01 5.56466e-02 38 2017 8 2.22441e-01 1.09609e-01 81 2017 9 3.26717e-01 3.30512e-01 123 2017 10 4.36988e-01 3.12159e-01 247 2017 11 2.07698e-01 5.67983e-02 303 2017 12 2.55557e-01 1.41320e-01 175 2018 1 2.37284e-01 1.24817e-01 241 2018 2 2.03075e-01 4.62926e-02 112 2018 3 1.82180e-01 4.53584e-02 239 2018 4 2.40780e-01 1.33043e-01 176 2018 5 2.58027e-01 7.37558e-02 131 2018 6 2.00689e-01 1.84237e-02 68 2018 7 1.71728e-01 3.72172e-02 96 2018 8 5.52641e+01 1.78927e+02 70 2018 9 5.48066e-01 9.86098e-01 158 2018 10 3.85592e-01 2.26983e-01 251 2018 11 4.26631e-01 1.70241e-01 96 2018 12 5.15703e-01 2.30394e-01 128 2019 1 5.13438e-01 2.03662e-01 224 2019 2 6.00774e-01 1.72855e-01 48 2019 3 3.28334e-01 1.88592e-01 192 2019 4 3.26880e-01 3.53164e-02 80 2019 5 2.44760e-01 6.74323e-02 188 2019 6 1.93197e-01 6.76866e-02 91 2019 7 2.36881e-01 8.97562e-02 60 2019 8 1.84603e-01 8.20314e-02 99 2019 9 2.07359e-01 7.29558e-02 166 2019 10 2.39694e-01 1.17757e-01 144 2019 11 2.56757e-01 1.28416e-01 224 2019 12 3.02769e-01 2.26212e-01 160 2020 1 2.43225e-01 5.35101e-02 144 2020 2 3.86968e-01 2.97025e-01 144 2020 3 5.07593e-01 2.27429e-01 171 2020 4 2.99103e-01 1.64444e-01 154 2020 5 2.71627e-01 8.13201e-02 108 2020 6 2.41605e-01 4.73413e-02 48 2020 7 3.55922e-01 2.78876e-01 31 2020 8 1.56075e-01 9.10039e-03 64 2020 9 5.19641e-01 1.90193e-01 68 2020 10 5.49944e-01 2.93687e-01 181 2020 11 3.68879e-01 1.03200e-01 217 2020 12 4.67305e-01 3.99656e-01 272 2021 1 3.19935e-01 5.57845e-02 144 2021 2 3.64632e-01 8.63799e-02 96 2021 3 3.47116e-01 7.27429e-02 128 2021 4 2.60570e-01 9.09805e-02 160 2021 5 3.21163e-01 1.15533e-01 103 2021 6 2.65745e-01 8.72363e-02 40 2021 7 2.84397e-01 8.09545e-02 78 2021 8 3.42446e-01 2.40938e-01 84 2021 9 3.68974e-01 2.14467e-01 64 2021 10 1.14535e+00 1.05048e+00 85 2021 11 3.67954e-01 1.20298e-01 204 2021 12 2.68726e-01 2.78231e-02 80 2022 1 3.47623e-01 2.87808e-01 224 2022 2 2.34700e-01 7.97484e-02 151 2022 3 2.13275e-01 1.01189e-01 208 2022 4 3.79359e-01 5.73148e-02 48 2022 5 3.12082e-01 1.65717e-01 80 2022 6 1.85595e-01 4.24896e-02 99 2022 7 2.57787e-01 1.93306e-01 90 2022 8 2.24736e-01 8.41072e-02 128 2022 9 1.22947e+00 2.72288e+00 125 2022 10 8.08253e+00 7.68079e+01 276 2022 11 2.53122e-01 4.65981e-02 132 2022 12 2.58268e-01 1.43264e-01 211 2023 1 1.91397e-01 4.29642e-02 208 2023 2 1.96599e-01 5.79794e-02 192 2023 3 1.95063e-01 6.04871e-02 141 2023 4 1.97947e-01 3.25028e-02 112 2023 5 2.00730e-01 7.05084e-02 112 2023 6 1.70838e-01 1.65988e-02 47 2023 7 2.03360e-01 3.04842e-02 53 2023 8 2.28622e-01 4.96512e-02 65 2023 9 2.42795e-01 9.94313e-02 138 2023 10 5.87963e-01 2.16917e+00 210 2023 11 3.05778e-01 2.01671e-01 168 2023 12 3.00193e-01 7.81641e-02 80 2024 1 3.94828e-01 1.64195e-01 128 2024 2 2.53565e-01 1.14288e-01 170 2024 3 2.93861e-01 1.46920e-01 98 2024 4 nan nan 0