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 3.01355e-02 6.50350e-03 73 2002 8 3.21828e-02 4.54063e-04 28 2002 9 3.48449e-02 1.95204e-03 169 2002 10 3.39674e-02 6.23561e-03 304 2002 11 3.78238e-02 2.63467e-02 281 2002 12 3.95286e-02 1.82687e-02 427 2003 1 4.58893e-02 5.27500e-02 557 2003 2 3.88110e-02 8.80391e-03 232 2003 3 4.23900e-02 5.28840e-02 458 2003 4 3.06026e-02 5.98888e-03 54 2003 5 2.84083e-02 8.39143e-04 13 2003 6 3.44466e-02 4.48265e-03 157 2003 7 3.95504e-02 2.61304e-04 57 2003 8 3.54619e-02 3.54502e-03 102 2003 9 2.99664e-02 4.11389e-03 237 2003 10 3.42922e-02 5.61760e-03 300 2003 11 3.41745e-02 3.37004e-03 176 2003 12 3.59958e-02 5.28493e-03 453 2004 1 3.37211e-02 6.40508e-03 671 2004 2 4.14842e-02 8.46617e-02 244 2004 3 3.19984e-02 3.87687e-03 189 2004 4 3.54436e-02 6.09073e-03 154 2004 5 7.80796e-02 1.03600e-01 25 2004 6 4.32353e-02 6.07178e-04 38 2004 7 4.43911e-02 6.57467e-03 90 2004 8 3.72774e-02 3.55001e-03 128 2004 9 3.67626e-02 4.45420e-03 231 2004 10 3.39003e-02 4.32761e-03 398 2004 11 4.10513e-02 1.90846e-02 504 2004 12 3.83865e-02 1.87135e-02 484 2005 1 3.99693e-02 1.65169e-02 362 2005 2 3.28167e-02 3.20826e-03 582 2005 3 3.21539e-02 6.68022e-03 396 2005 4 3.05327e-02 3.02002e-03 153 2005 5 3.17931e-02 4.58663e-03 163 2005 6 2.86416e-02 2.89333e-03 41 2005 7 3.21228e-02 9.75688e-04 58 2005 8 2.78786e-02 6.34870e-03 94 2005 9 3.07503e-02 1.19267e-02 186 2005 10 3.20237e-02 1.03090e-02 60 2005 11 3.43707e-02 2.16911e-03 329 2005 12 3.68844e-02 2.65115e-03 485 2006 1 3.47315e-02 1.78541e-03 358 2006 2 3.29007e-02 5.24481e-03 245 2006 3 4.22643e-02 3.49678e-02 369 2006 4 4.69700e-02 6.74328e-02 375 2006 5 3.15610e-02 1.27691e-02 279 2006 6 3.33363e-02 0.00000e+00 2 2006 7 2.99801e-02 7.30235e-03 230 2006 8 5.54589e-02 8.05999e-02 128 2006 9 2.80019e-02 8.98960e-03 206 2006 10 3.31167e-02 2.99895e-03 280 2006 11 4.52451e-02 8.15218e-02 424 2006 12 3.58732e-02 3.14064e-03 377 2007 1 4.26540e-02 1.74113e-02 440 2007 2 3.52163e-02 6.92088e-03 681 2007 3 3.24859e-02 4.29433e-03 186 2007 4 3.55380e-02 2.55846e-02 223 2007 5 2.73792e-02 1.55501e-03 83 2007 6 3.26517e-02 7.20882e-03 169 2007 7 3.41199e-02 1.67597e-04 34 2007 8 3.38568e-02 7.16731e-04 91 2007 9 3.58367e-02 2.20038e-03 267 2007 10 4.21148e-02 2.69329e-03 78 2007 11 3.67038e-02 1.14655e-02 342 2007 12 5.22661e-02 9.71755e-02 327 2008 1 4.10017e-02 4.54407e-02 657 2008 2 3.35130e-02 6.10529e-03 345 2008 3 3.02472e-02 4.21897e-03 182 2008 4 2.97900e-02 3.58862e-03 192 2008 5 3.79014e-02 5.13436e-03 163 2008 6 6.32837e-02 5.78929e-02 16 2008 7 4.24830e-02 3.82378e-03 90 2008 8 3.15113e-02 7.93291e-03 194 2008 9 3.52589e-02 9.94563e-03 237 2008 10 3.35407e-02 4.91561e-03 363 2008 11 3.46924e-02 5.24472e-03 155 2008 12 3.81110e-02 2.10089e-02 405 2009 1 3.50349e-02 7.60019e-03 535 2009 2 3.06022e-02 3.90014e-03 167 2009 3 3.49159e-02 4.39127e-03 460 2009 4 7.73805e-02 1.18459e-01 245 2009 5 3.26278e-02 4.09664e-03 65 2009 6 6.46078e-02 7.36939e-03 21 2009 7 3.66275e-02 4.19362e-02 13 2009 8 2.97012e-02 7.11828e-04 19 2009 9 3.38582e-02 1.06982e-02 269 2009 10 3.83862e-02 3.63992e-03 251 2009 11 3.91154e-02 3.59054e-03 320 2009 12 3.49836e-02 3.85391e-03 362 2010 1 3.70516e-02 1.11641e-02 359 2010 2 3.74746e-02 1.23274e-02 425 2010 3 3.23642e-02 3.74490e-03 314 2010 4 3.32821e-02 3.50257e-03 129 2010 5 2.74129e-02 5.92023e-03 64 2010 6 3.43211e-02 2.67218e-03 119 2010 7 nan nan 0 2010 8 4.42897e-02 8.26620e-03 301 2010 9 4.31158e-02 4.24951e-03 204 2010 10 3.83617e-02 4.11955e-03 227 2010 11 3.94785e-02 2.76147e-03 249 2010 12 4.35289e-02 4.34325e-03 340 2011 1 4.23704e-02 2.63906e-02 432 2011 2 4.60728e-02 7.62775e-02 493 2011 3 4.43534e-02 5.56198e-02 510 2011 4 3.57961e-02 2.89953e-02 314 2011 5 3.01647e-02 2.49039e-03 155 2011 6 7.67976e-02 1.58788e-01 75 2011 7 2.27314e-02 3.94635e-03 39 2011 8 3.42241e-02 7.00156e-03 76 2011 9 3.45225e-02 7.34928e-03 325 2011 10 3.43379e-02 2.91029e-03 145 2011 11 3.54199e-02 3.46242e-03 332 2011 12 3.41106e-02 2.54693e-03 666 2012 1 3.76802e-02 4.05911e-02 613 2012 2 4.10799e-02 2.20258e-02 228 2012 3 3.63034e-02 3.39436e-02 242 2012 4 3.19663e-02 4.14292e-03 367 2012 5 3.28401e-02 5.82588e-03 312 2012 6 2.91761e-02 3.83926e-03 125 2012 7 3.31663e-02 1.15375e-02 92 2012 8 4.03976e-02 7.12852e-03 128 2012 9 3.48880e-02 3.63335e-03 210 2012 10 3.76413e-02 2.26432e-03 297 2012 11 3.91446e-02 2.48740e-02 466 2012 12 3.89365e-02 4.10391e-03 532 2013 1 4.30450e-02 2.51094e-02 239 2013 2 3.27966e-02 2.66799e-03 286 2013 3 2.81696e-02 2.40359e-03 331 2013 4 3.60643e-02 2.43504e-02 217 2013 5 3.27140e-02 3.17999e-03 138 2013 6 nan nan 0 2013 7 3.22921e-02 1.78969e-03 12 2013 8 2.92928e-02 4.93544e-04 7 2013 9 3.01203e-02 5.17007e-03 181 2013 10 3.43510e-02 4.35390e-03 92 2013 11 4.85524e-02 3.28751e-02 161 2013 12 3.67160e-02 1.68506e-02 410 2014 1 3.98978e-02 2.71415e-02 408 2014 2 3.38926e-02 2.57687e-02 144 2014 3 3.27683e-02 3.21020e-03 316 2014 4 3.15507e-02 7.13029e-03 309 2014 5 3.26281e-02 3.01605e-03 202 2014 6 3.74126e-02 1.20363e-03 53 2014 7 3.54034e-02 1.12130e-02 111 2014 8 3.03117e-02 5.73754e-03 9 2014 9 3.68151e-02 1.73539e-02 187 2014 10 3.20178e-02 4.15953e-03 343 2014 11 3.48695e-02 1.31653e-02 233 2014 12 3.63212e-02 4.27041e-03 319 2015 1 3.30708e-02 5.19619e-03 352 2015 2 3.16253e-02 2.36165e-03 178 2015 3 3.70636e-02 4.87815e-03 303 2015 4 3.23819e-02 3.82527e-03 117 2015 5 3.14220e-02 9.42618e-04 64 2015 6 nan nan 0 2015 7 4.06209e-02 4.02312e-03 58 2015 8 4.01104e-02 3.39687e-03 106 2015 9 3.19778e-02 2.11768e-03 360 2015 10 3.77493e-02 2.62430e-02 364 2015 11 3.59552e-02 4.84069e-03 206 2015 12 3.83738e-02 1.40722e-02 178 2016 1 3.52733e-02 6.07091e-03 653 2016 2 3.28095e-02 5.04896e-03 417 2016 3 3.52893e-02 1.56040e-03 64 2016 4 2.96978e-02 4.41214e-03 307 2016 5 3.99335e-02 1.01735e-03 64 2016 6 3.55840e-02 3.53937e-03 191 2016 7 3.58237e-02 4.34013e-03 64 2016 8 3.75373e-02 5.12413e-03 147 2016 9 3.04348e-02 7.38514e-03 283 2016 10 9.59467e-02 2.11850e-01 314 2016 11 3.58350e-02 2.66503e-02 210 2016 12 4.14802e-02 7.39839e-02 239 2017 1 3.91482e-02 4.06472e-03 612 2017 2 3.68153e-02 5.99126e-03 367 2017 3 3.15018e-02 7.16143e-03 145 2017 4 3.41011e-02 2.07005e-02 284 2017 5 3.55367e-02 5.49532e-03 260 2017 6 3.90163e-02 1.12645e-02 248 2017 7 4.03842e-02 3.12382e-03 202 2017 8 5.01678e-02 5.27322e-02 177 2017 9 4.55407e-02 4.92292e-03 166 2017 10 3.43559e-02 2.34462e-03 124 2017 11 4.64447e-02 8.16115e-02 284 2017 12 3.62118e-02 4.24184e-03 548 2018 1 3.25331e-02 3.95916e-03 157 2018 2 3.29312e-02 3.73463e-03 199 2018 3 3.75979e-02 3.97462e-03 366 2018 4 3.09270e-02 5.74771e-03 297 2018 5 3.37368e-02 3.30068e-03 227 2018 6 4.44555e-02 4.26634e-02 89 2018 7 3.24017e-02 2.54230e-03 5 2018 8 3.58446e-02 3.83010e-03 89 2018 9 5.22565e-02 2.35096e-02 107 2018 10 3.54348e-02 4.74861e-03 280 2018 11 4.65381e-02 7.16824e-02 419 2018 12 3.81593e-02 1.73965e-02 332 2019 1 3.60669e-02 5.73804e-03 329 2019 2 3.34228e-02 8.59878e-03 224 2019 3 3.43727e-02 7.12873e-03 217 2019 4 3.10576e-02 3.82255e-03 272 2019 5 2.18196e-02 8.78648e-04 34 2019 6 3.36084e-02 1.82310e-02 82 2019 7 3.96106e-02 7.37285e-03 115 2019 8 3.45406e-02 4.17412e-03 305 2019 9 3.25385e-02 4.63146e-03 143 2019 10 4.50021e-02 5.16298e-02 212 2019 11 3.72015e-02 1.71116e-02 396 2019 12 6.67942e-02 1.91190e-01 388 2020 1 3.51653e-02 3.46813e-03 529 2020 2 3.76835e-02 9.39246e-03 286 2020 3 3.67631e-02 5.35071e-03 326 2020 4 3.42783e-02 1.38896e-02 348 2020 5 3.28795e-02 4.88757e-03 404 2020 6 3.31603e-02 1.33355e-02 132 2020 7 3.57745e-02 3.68504e-03 197 2020 8 3.58713e-02 2.00971e-03 157 2020 9 3.34758e-02 5.78731e-03 342 2020 10 3.48722e-02 3.03856e-03 314 2020 11 3.67986e-02 1.28921e-02 247 2020 12 4.73448e-02 5.64265e-02 621 2021 1 4.15169e-02 2.48819e-02 630 2021 2 3.17997e-02 5.68951e-03 319 2021 3 3.43151e-02 4.37020e-03 237 2021 4 3.05726e-02 3.01785e-03 239 2021 5 3.21669e-02 5.16270e-02 505 2021 6 3.51343e-02 3.53490e-03 7 2021 7 5.43963e-02 5.00874e-03 65 2021 8 3.30752e-02 2.03298e-03 87 2021 9 5.60118e-02 1.05083e-01 339 2021 10 4.24851e-02 9.46614e-03 372 2021 11 4.49204e-02 1.76147e-02 340 2021 12 4.85719e-02 3.46104e-02 550 2022 1 3.87177e-02 1.86088e-02 627 2022 2 3.01515e-02 3.71331e-03 338 2022 3 2.90671e-02 4.51211e-03 143 2022 4 2.93570e-02 1.37947e-03 121 2022 5 2.79559e-02 9.30638e-04 127 2022 6 4.22839e-02 3.70954e-02 124 2022 7 nan nan 0 2022 8 3.07288e-02 4.25151e-03 104 2022 9 3.40981e-02 9.14991e-03 259 2022 10 4.69450e-02 5.63533e-02 262 2022 11 3.28207e-02 2.88894e-03 675 2022 12 3.47887e-02 3.37550e-03 780 2023 1 3.70887e-02 3.52623e-02 755 2023 2 6.72763e-02 1.65750e-01 632 2023 3 3.19229e-02 1.33130e-02 568 2023 4 3.43489e-02 2.76205e-02 497 2023 5 3.24511e-02 4.09500e-03 419 2023 6 3.16423e-02 4.79503e-03 156 2023 7 nan nan 0 2023 8 2.92000e-02 6.40781e-03 4 2023 9 4.99322e-02 4.15713e-02 283 2023 10 3.16182e-02 5.46721e-03 593 2023 11 5.09843e-02 6.00394e-02 356 2023 12 3.55549e-02 2.07694e-02 417 2024 1 3.77151e-02 3.23038e-02 671 2024 2 3.32918e-02 9.11031e-03 660 2024 3 3.02614e-02 4.29670e-03 661 2024 4 3.00781e-02 2.84203e-04 64