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 1.54093e-01 6.81451e-02 76 2002 8 1.08622e-01 5.76918e-02 251 2002 9 1.40053e-01 8.71916e-02 241 2002 10 1.79309e-01 2.35697e-01 420 2002 11 1.55347e-01 1.29853e-01 91 2002 12 1.84669e-01 1.46081e-01 124 2003 1 1.73835e-01 9.42570e-02 50 2003 2 2.51027e-01 1.26292e-01 123 2003 3 1.37221e-01 1.16707e-01 260 2003 4 1.04801e-01 9.31337e-02 182 2003 5 1.14804e-01 6.93559e-02 268 2003 6 1.63533e-01 1.28186e-01 61 2003 7 1.06667e-01 7.18674e-02 117 2003 8 1.01459e-01 7.28621e-02 60 2003 9 1.03616e-01 5.61407e-02 269 2003 10 1.11456e-01 7.20315e-02 510 2003 11 3.08493e-01 2.59348e-01 179 2003 12 6.39463e-02 3.86097e-02 28 2004 1 7.43847e-02 3.36441e-02 21 2004 2 1.41728e-01 8.27644e-02 118 2004 3 2.24703e-01 1.88113e-01 183 2004 4 1.07634e-01 7.12515e-02 168 2004 5 1.10602e-01 5.84349e-02 147 2004 6 1.21578e-01 8.18370e-02 449 2004 7 1.29021e-01 9.82110e-02 322 2004 8 1.75398e-01 8.81858e-02 160 2004 9 1.14695e-01 5.98766e-02 195 2004 10 1.41261e-01 7.04739e-02 406 2004 11 1.43732e-01 1.42975e-01 47 2004 12 1.45418e-01 5.85552e-02 38 2005 1 1.32289e-01 1.49441e-01 37 2005 2 1.41691e-01 7.63225e-02 59 2005 3 1.55283e-01 1.31423e-01 115 2005 4 1.16482e-01 9.34742e-02 79 2005 5 1.35690e-01 8.75387e-02 290 2005 6 3.84830e-01 3.60981e-02 20 2005 7 1.34845e-01 8.44174e-02 229 2005 8 1.43876e-01 1.32336e-01 109 2005 9 1.67979e-01 7.29658e-02 363 2005 10 1.28528e-01 1.12932e-01 161 2005 11 1.64551e-01 6.89846e-02 286 2005 12 1.49673e-01 7.73646e-02 502 2006 1 1.88673e-01 1.12978e-01 239 2006 2 3.29363e-01 1.57655e-01 76 2006 3 1.36303e-01 1.00868e-01 271 2006 4 1.59578e-01 1.00718e-01 270 2006 5 1.25186e-01 1.01648e-01 122 2006 6 7.94916e-02 6.25589e-02 205 2006 7 2.06956e-01 1.34516e-01 40 2006 8 1.91917e-01 1.14445e-01 111 2006 9 1.33646e-01 1.05753e-01 301 2006 10 1.53551e-01 9.17340e-02 207 2006 11 1.19537e-01 9.59389e-02 109 2006 12 1.65576e-01 7.38633e-02 34 2007 1 1.25530e-01 1.05841e-01 104 2007 2 2.68374e-01 6.80370e-02 43 2007 3 1.64702e-01 6.32025e-02 157 2007 4 1.32275e-01 7.05866e-02 234 2007 5 8.92476e-02 4.91174e-02 83 2007 6 1.42095e-01 7.50567e-02 247 2007 7 1.61158e-01 1.00487e-01 161 2007 8 1.77482e-01 9.36703e-02 203 2007 9 1.57576e-01 7.97781e-02 84 2007 10 2.19002e-01 6.91958e-02 52 2007 11 1.45141e-01 1.11121e-01 257 2007 12 1.03039e-01 6.22296e-02 96 2008 1 9.15206e-02 4.64609e-02 36 2008 2 1.20452e-01 9.27998e-02 44 2008 3 1.42020e-01 1.10934e-01 63 2008 4 1.23898e-01 1.20864e-01 62 2008 5 8.93012e-02 6.17347e-02 161 2008 6 1.87095e-01 9.31108e-02 65 2008 7 1.32365e-01 9.09272e-02 264 2008 8 1.32361e-01 1.06493e-01 344 2008 9 1.51308e-01 9.90969e-02 143 2008 10 8.93273e-02 3.28680e-02 298 2008 11 1.64038e-01 1.07747e-01 123 2008 12 1.40833e-01 5.44217e-02 55 2009 1 1.66772e-01 1.54566e-01 95 2009 2 1.52395e-01 1.02951e-01 102 2009 3 1.68922e-01 1.14966e-01 123 2009 4 1.54676e-01 1.16303e-01 210 2009 5 1.72540e-01 1.22295e-01 233 2009 6 1.14654e-01 1.12088e-01 170 2009 7 9.99570e-02 6.05234e-02 53 2009 8 1.34210e-01 1.26052e-01 162 2009 9 7.90518e-02 4.05388e-02 167 2009 10 1.22089e-01 9.18557e-02 306 2009 11 1.93420e-01 1.22986e-01 96 2009 12 1.45677e-01 8.86054e-02 76 2010 1 1.36424e-01 7.05929e-02 51 2010 2 2.81915e-01 1.50338e-01 14 2010 3 1.35750e-01 6.44183e-02 264 2010 4 1.15253e-01 4.86221e-02 233 2010 5 1.71747e-01 9.09164e-02 138 2010 6 1.25613e-01 8.52208e-02 228 2010 7 2.00627e-01 1.23547e-01 81 2010 8 1.46002e-01 8.85214e-02 100 2010 9 4.37005e-01 5.76958e-02 26 2010 10 1.35166e-01 1.02707e-01 345 2010 11 1.41549e-01 6.37607e-02 202 2010 12 2.75751e-01 1.54399e-01 131 2011 1 2.35534e-01 1.60205e-01 84 2011 2 1.92334e-01 1.53726e-01 134 2011 3 1.79411e-01 1.13305e-01 153 2011 4 1.48317e-01 1.08639e-01 235 2011 5 1.63549e-01 8.69832e-02 403 2011 6 2.51594e-01 7.13425e-02 103 2011 7 1.71408e-01 1.10135e-01 247 2011 8 1.51474e-01 9.74962e-02 32 2011 9 1.15228e-01 8.64158e-02 253 2011 10 1.95753e-01 7.67149e-02 178 2011 11 1.26470e-01 5.48215e-02 193 2011 12 1.58161e-01 1.30256e-01 76 2012 1 1.42959e-01 1.07986e-01 50 2012 2 1.95033e-01 1.18855e-01 189 2012 3 1.11280e-01 6.02281e-02 94 2012 4 2.01085e-01 8.58374e-02 106 2012 5 1.38567e-01 9.98144e-02 143 2012 6 1.19940e-01 1.06862e-01 156 2012 7 1.64260e-01 9.05186e-02 302 2012 8 8.78185e-02 6.78587e-02 219 2012 9 1.54436e-01 9.54968e-02 423 2012 10 2.05570e-01 1.34382e-01 184 2012 11 1.60465e-01 1.30623e-01 160 2012 12 1.73284e-01 1.32137e-01 66 2013 1 1.56090e-01 1.16150e-01 120 2013 2 1.87963e-01 1.04700e-01 168 2013 3 8.13251e-02 5.93022e-02 105 2013 4 2.09700e-01 1.05930e-01 160 2013 5 2.03540e-01 8.76897e-02 303 2013 6 2.46132e-01 4.85014e-02 52 2013 7 1.91453e-01 1.13053e-01 146 2013 8 1.10126e-01 9.75590e-02 232 2013 9 1.16113e-01 7.70300e-02 164 2013 10 1.73893e-01 1.09122e-01 298 2013 11 1.31324e-01 1.23067e-01 95 2013 12 1.48844e-01 1.14690e-01 38 2014 1 1.40745e-01 1.33472e-01 125 2014 2 2.19801e-01 1.40059e-01 217 2014 3 1.61508e-01 1.01467e-01 165 2014 4 1.16952e-01 9.02253e-02 219 2014 5 2.07515e-01 9.00869e-02 179 2014 6 2.45419e-01 8.32633e-02 108 2014 7 1.32704e-01 8.99874e-02 156 2014 8 1.40337e-01 8.81968e-02 304 2014 9 2.05225e-01 9.99451e-02 135 2014 10 1.82671e-01 1.67522e-01 412 2014 11 1.24354e-01 5.95960e-02 99 2014 12 8.37865e-02 3.09166e-02 127 2015 1 1.05721e-01 8.09750e-02 59 2015 2 1.48295e-01 6.47771e-02 115 2015 3 2.48812e-01 1.40767e-01 156 2015 4 1.62864e-01 9.34791e-02 105 2015 5 1.82102e-01 1.08954e-01 175 2015 6 1.61340e-01 1.08207e-01 98 2015 7 1.13773e-01 7.56081e-02 154 2015 8 1.04410e-01 7.58797e-02 138 2015 9 1.97027e-01 2.89658e-02 100 2015 10 1.47661e-01 5.32889e-02 105 2015 11 1.59052e-01 9.94417e-02 296 2015 12 1.64865e-01 1.29629e-01 32 2016 1 2.09022e-01 1.18292e-01 3 2016 2 1.49632e-01 6.37259e-02 125 2016 3 2.21611e-01 1.18358e-01 33 2016 4 1.46497e-01 9.20395e-02 141 2016 5 1.10415e-01 8.75371e-02 201 2016 6 1.91366e-01 1.12734e-01 269 2016 7 1.47127e-01 7.84008e-02 236 2016 8 1.53843e-01 9.32688e-02 171 2016 9 1.86364e-01 1.61015e-01 172 2016 10 1.99928e-01 1.35646e-01 58 2016 11 1.87821e-01 1.03583e-01 101 2016 12 1.89852e-01 1.33277e-01 86 2017 1 2.52869e-01 1.18120e-01 103 2017 2 1.79966e-01 1.35774e-01 109 2017 3 1.72132e-01 9.32026e-02 156 2017 4 1.91365e-01 9.90524e-02 92 2017 5 1.99692e-01 1.02552e-01 266 2017 6 1.75108e-01 5.10486e-02 60 2017 7 1.51607e-01 1.19409e-01 292 2017 8 1.47102e-01 8.10759e-02 207 2017 9 3.06817e-01 2.27449e-01 293 2017 10 2.00273e-01 1.20213e-01 244 2017 11 1.54990e-01 8.87622e-02 431 2017 12 2.11103e-01 1.18424e-01 307 2018 1 1.11075e-01 4.07070e-02 73 2018 2 1.06852e-01 7.36114e-02 218 2018 3 1.55050e-01 1.00996e-01 314 2018 4 1.27362e-01 6.60012e-02 91 2018 5 1.28846e-01 8.87984e-02 58 2018 6 2.12972e-01 8.73355e-02 119 2018 7 1.78820e-01 3.54748e-02 125 2018 8 1.30929e-01 9.95800e-02 143 2018 9 1.44472e-01 9.84111e-02 287 2018 10 2.20463e-01 1.18018e-01 163 2018 11 1.73438e-01 1.31019e-01 154 2018 12 1.16877e-01 6.19892e-02 37 2019 1 1.40245e-01 1.28783e-01 54 2019 2 2.30324e-01 1.47663e-01 138 2019 3 1.48321e-01 7.74732e-02 136 2019 4 1.35418e-01 9.95318e-02 131 2019 5 1.61559e-01 9.83317e-02 174 2019 6 1.37094e-01 9.41913e-02 314 2019 7 1.96607e-01 7.42889e-02 103 2019 8 1.23153e-01 1.04102e-01 133 2019 9 2.05738e-01 1.34064e-01 75 2019 10 1.49443e-01 1.05420e-01 135 2019 11 1.82457e-01 1.16304e-01 164 2019 12 1.59676e-01 9.18584e-02 44 2020 1 1.30219e-01 1.15375e-01 201 2020 2 1.38445e-01 1.41126e-01 63 2020 3 1.51153e-01 1.14882e-01 108 2020 4 1.50827e-01 1.05182e-01 183 2020 5 1.42714e-01 1.00540e-01 158 2020 6 2.15553e-01 1.26142e-01 170 2020 7 1.18093e-01 7.42645e-02 280 2020 8 1.44368e-01 1.22710e-01 214 2020 9 2.23076e-01 8.81983e-02 200 2020 10 1.42545e-01 9.09626e-02 341 2020 11 2.04320e-01 4.34366e-02 105 2020 12 9.82673e-02 6.56323e-02 191 2021 1 1.68792e-01 1.31489e-01 165 2021 2 2.04945e-01 1.30276e-01 114 2021 3 1.36333e-01 8.59631e-02 175 2021 4 1.44791e-01 8.72059e-02 161 2021 5 1.26831e-01 5.33538e-02 134 2021 6 6.50895e-02 3.64890e-02 74 2021 7 2.09970e-01 9.62834e-02 136 2021 8 1.69077e-01 1.16110e-01 244 2021 9 2.53442e-01 1.01933e-01 161 2021 10 1.98325e-01 9.82796e-02 243 2021 11 1.13883e-01 2.94583e-02 264 2021 12 1.66513e-01 1.16470e-01 258 2022 1 1.56487e-01 1.12720e-01 74 2022 2 9.83073e-02 6.07792e-02 130 2022 3 1.52103e-01 1.38971e-01 45 2022 4 7.99286e-02 3.73807e-02 86 2022 5 1.55188e-01 1.14332e-01 291 2022 6 1.57034e-01 1.05521e-01 335 2022 7 1.97104e-01 1.17988e-01 186 2022 8 1.76068e-01 1.09859e-01 108 2022 9 1.41889e-01 1.05282e-01 345 2022 10 1.46653e-01 1.02778e-01 208 2022 11 2.05516e-01 1.03541e-01 187 2022 12 1.33097e-01 6.56058e-02 146 2023 1 1.95675e-01 1.48164e-01 172 2023 2 8.58542e-02 3.58291e-02 91 2023 3 2.15486e-01 1.18390e-01 158 2023 4 1.43127e-01 6.62215e-02 192 2023 5 2.17207e-01 5.89202e-02 161 2023 6 1.40496e-01 1.13019e-01 202 2023 7 2.13178e-01 9.94913e-02 148 2023 8 1.07316e-01 6.66283e-02 158 2023 9 2.25010e-01 1.33168e-01 181 2023 10 1.65779e-01 7.90068e-02 149 2023 11 1.56435e-01 8.45851e-02 140 2023 12 1.58953e-01 1.58844e-01 95 2024 1 1.47343e-01 8.22741e-02 197 2024 2 2.40637e-01 1.55419e-01 80 2024 3 1.74848e-01 1.29735e-01 202 2024 4 1.60607e-01 1.49755e-01 19