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 6.52791e+01 1.08275e+01 96 2002 8 5.79864e+01 1.51517e+01 138 2002 9 5.61039e+01 1.04987e+01 114 2002 10 5.96003e+01 1.04123e+01 418 2002 11 5.00443e+01 1.04132e+01 422 2002 12 5.06348e+01 1.16554e+01 317 2003 1 5.15348e+01 8.77288e+00 449 2003 2 5.84906e+01 6.44596e+00 388 2003 3 nan nan 0 2003 4 4.07820e+00 7.52579e+00 17 2003 5 1.09587e+01 1.30528e+01 40 2003 6 1.09326e+01 1.09326e+01 2 2003 7 1.52476e+01 3.65339e+00 5 2003 8 8.68770e+00 9.75610e+00 18 2003 9 3.71827e+01 1.94917e+01 158 2003 10 4.80627e+01 1.27256e+01 252 2003 11 5.08689e+01 4.84817e+00 406 2003 12 5.51301e+01 9.55863e+00 345 2004 1 5.71853e+01 4.78174e+00 424 2004 2 5.97805e+01 5.74765e+00 232 2004 3 4.25061e+01 1.32433e+01 457 2004 4 5.83381e+01 8.13402e+00 240 2004 5 6.07012e+01 7.92200e+00 144 2004 6 6.10607e+01 1.08090e+01 184 2004 7 6.59170e+01 1.01523e+01 135 2004 8 6.23539e+01 3.36511e+00 107 2004 9 5.15788e+01 7.51770e+00 63 2004 10 3.13190e+01 2.22315e+01 12 2004 11 5.04223e+01 5.83324e+00 11 2004 12 3.99786e+01 8.30909e+00 149 2005 1 4.31886e+01 1.17878e+01 213 2005 2 3.93874e+01 1.39901e+01 209 2005 3 5.22216e+01 1.05418e+01 201 2005 4 2.53926e+01 1.04492e+01 81 2005 5 5.01781e+01 1.74055e+01 27 2005 6 nan nan 0 2005 7 1.70902e+01 9.81825e+00 16 2005 8 3.63843e+01 9.49724e+00 57 2005 9 4.43445e+01 4.51390e+00 101 2005 10 5.52744e+01 4.95240e+00 265 2005 11 5.81985e+01 4.46913e+00 347 2005 12 5.10844e+01 9.83251e+00 272 2006 1 4.25993e+01 8.59573e+00 253 2006 2 4.77600e+01 9.21424e+00 136 2006 3 3.48784e+01 1.36770e+01 334 2006 4 5.74521e+01 7.13166e+00 188 2006 5 6.54972e+01 1.00882e+01 164 2006 6 6.11247e+01 1.48053e+01 116 2006 7 4.03817e+01 2.22600e+01 14 2006 8 6.02142e+01 5.64362e+00 111 2006 9 5.52170e+01 1.39609e+01 355 2006 10 5.58782e+01 1.34989e+01 301 2006 11 6.12350e+01 6.75146e+00 380 2006 12 6.11820e+01 1.17472e+01 292 2007 1 5.70462e+01 1.00108e+01 227 2007 2 6.69550e+01 5.07197e+00 426 2007 3 6.60491e+01 9.30598e+00 541 2007 4 6.52001e+01 8.43351e+00 313 2007 5 7.45531e+01 1.72256e+00 51 2007 6 6.73646e+01 7.79716e+00 107 2007 7 5.74973e+01 1.65892e+01 128 2007 8 5.71946e+01 8.99005e+00 142 2007 9 5.21502e+01 1.77263e+01 104 2007 10 6.04092e+01 1.29144e+01 311 2007 11 6.39872e+01 1.19979e+01 474 2007 12 6.78191e+01 4.53048e+00 249 2008 1 6.40243e+01 9.58325e+00 302 2008 2 6.20634e+01 4.42131e+00 435 2008 3 5.00752e+01 2.09784e+01 268 2008 4 2.73390e+01 2.08869e+01 107 2008 5 5.72468e+01 5.65890e+00 142 2008 6 5.95429e+01 1.00437e+01 107 2008 7 4.95572e+01 1.72946e+01 48 2008 8 5.38864e+01 1.22055e+01 42 2008 9 4.23480e+01 1.55918e+01 114 2008 10 4.14933e+01 1.51266e+01 373 2008 11 5.75354e+01 1.03872e+01 468 2008 12 5.45184e+01 8.42758e+00 417 2009 1 5.61654e+01 8.06868e+00 304 2009 2 5.86957e+01 8.84622e+00 496 2009 3 6.56807e+01 4.26506e+00 401 2009 4 4.84447e+01 1.47852e+01 184 2009 5 4.45827e+01 6.51703e+00 41 2009 6 5.55130e+01 5.75041e+00 38 2009 7 6.81848e+01 3.42291e+00 52 2009 8 4.14697e+01 1.33724e+01 143 2009 9 5.38610e+01 1.49195e+01 301 2009 10 5.89320e+01 4.92596e+00 489 2009 11 6.01002e+01 1.03522e+01 295 2009 12 5.42337e+01 6.68157e+00 158 2010 1 5.69177e+01 9.04592e+00 554 2010 2 4.27737e+01 1.66031e+01 253 2010 3 2.89641e+01 1.53748e+01 271 2010 4 3.47390e+01 1.40115e+01 149 2010 5 4.86792e+01 1.64408e+01 252 2010 6 5.29020e+01 1.55358e+01 196 2010 7 5.05673e+01 9.23149e+00 93 2010 8 5.07955e+01 1.81706e+01 32 2010 9 4.16378e+01 1.47020e+01 203 2010 10 5.71620e+01 1.22345e+01 762 2010 11 5.97654e+01 7.63636e+00 731 2010 12 6.22878e+01 7.38410e+00 402 2011 1 6.14072e+01 9.93927e+00 408 2011 2 6.62807e+01 4.56148e+00 422 2011 3 5.75696e+01 8.46961e+00 458 2011 4 6.19322e+01 7.98925e+00 311 2011 5 6.74691e+01 9.47448e+00 234 2011 6 5.88062e+01 2.42023e+01 45 2011 7 5.57067e+01 1.39772e+01 97 2011 8 6.37612e+01 1.71735e+01 152 2011 9 6.09921e+01 8.81747e+00 435 2011 10 5.93340e+01 1.38081e+01 404 2011 11 6.55879e+01 4.78062e+00 537 2011 12 6.47772e+01 9.53500e+00 548 2012 1 6.36004e+01 8.68470e+00 487 2012 2 5.58381e+01 1.47344e+00 46 2012 3 7.03124e+01 5.50053e+00 428 2012 4 6.39399e+01 1.45371e+01 274 2012 5 7.14404e+01 9.56419e+00 186 2012 6 2.72549e+01 1.83966e+01 3 2012 7 4.41626e+01 2.28907e+01 20 2012 8 6.00185e+01 3.59540e+01 12 2012 9 2.84286e+01 1.52093e+01 76 2012 10 2.21398e+01 1.49703e+01 60 2012 11 5.68288e+01 5.19361e+00 384 2012 12 5.66753e+01 8.62876e+00 203 2013 1 5.45660e+01 1.02111e+01 384 2013 2 5.60293e+01 5.11329e+00 173 2013 3 5.66596e+01 9.25026e+00 316 2013 4 4.05437e+01 1.27222e+01 111 2013 5 5.59849e+01 3.81780e+00 93 2013 6 2.52544e+01 2.12290e+01 128 2013 7 1.42822e+01 1.28617e+01 8 2013 8 nan nan 0 2013 9 2.61645e+01 1.72688e+01 124 2013 10 4.37797e+01 1.14082e+01 340 2013 11 4.54602e+01 6.30505e+00 162 2013 12 5.27728e+01 4.81182e+00 335 2014 1 4.69863e+01 7.26583e+00 184 2014 2 5.40770e+01 6.25576e+00 376 2014 3 5.05346e+01 7.65593e+00 331 2014 4 3.74185e+01 1.49015e+01 132 2014 5 4.36572e+01 1.77170e+00 60 2014 6 4.33694e+01 1.49313e+01 16 2014 7 4.45566e+01 9.54383e+00 193 2014 8 4.97091e+01 8.78007e+00 107 2014 9 6.25331e+01 4.38622e-01 2 2014 10 5.50892e+01 1.07147e+01 624 2014 11 5.53710e+01 7.63643e+00 399 2014 12 5.55370e+01 8.73336e+00 200 2015 1 5.54286e+01 6.33837e+00 397 2015 2 5.55972e+01 4.48696e+00 373 2015 3 5.00236e+01 9.25889e+00 328 2015 4 3.42786e+01 1.19092e+01 37 2015 5 5.14036e+01 7.34405e+00 173 2015 6 5.38734e+01 7.83286e+00 109 2015 7 5.73963e+01 4.09290e+00 24 2015 8 1.69999e+00 1.31351e+00 5 2015 9 3.62946e+01 1.45127e+01 47 2015 10 5.81853e+01 7.03375e+00 371 2015 11 4.66353e+01 1.33930e+01 241 2015 12 5.26184e+01 1.37810e+01 322 2016 1 5.29610e+01 6.63483e+00 216 2016 2 5.10834e+01 1.24681e+01 394 2016 3 4.64743e+01 1.44015e+01 284 2016 4 3.75011e+01 1.56316e+01 139 2016 5 4.79874e+01 1.26639e+01 269 2016 6 6.05614e+01 1.09884e+01 298 2016 7 5.16035e+01 1.33825e+01 213 2016 8 4.27670e+01 1.50639e+01 180 2016 9 4.69958e+01 1.71103e+01 252 2016 10 5.37154e+01 9.99837e+00 336 2016 11 6.02203e+01 7.06988e+00 434 2016 12 6.19428e+01 7.99790e+00 206 2017 1 5.83849e+01 1.31802e+01 307 2017 2 5.37603e+01 7.95272e+00 567 2017 3 5.28233e+01 8.95022e+00 422 2017 4 5.91565e+01 8.90238e+00 339 2017 5 6.31087e+01 3.48962e+00 83 2017 6 5.50700e+01 2.67114e+00 118 2017 7 5.69123e+01 2.18123e+00 38 2017 8 4.36382e+01 2.17865e+01 194 2017 9 5.42242e+01 9.65044e+00 250 2017 10 4.09496e+01 4.72560e+00 53 2017 11 4.97301e+01 9.51646e+00 631 2017 12 6.10196e+01 7.00183e+00 341 2018 1 5.33951e+01 1.17934e+01 293 2018 2 4.24373e+01 1.62067e+01 486 2018 3 4.79466e+01 1.41976e+01 395 2018 4 5.61781e+01 5.78054e+00 188 2018 5 6.19498e+01 3.03859e+00 118 2018 6 5.83603e+01 6.97423e+00 130 2018 7 4.61388e+01 1.31678e+01 34 2018 8 nan nan 0 2018 9 3.52418e+01 1.62322e+01 329 2018 10 4.56104e+01 1.17451e+01 329 2018 11 4.91877e+01 7.30995e+00 125 2018 12 4.31500e+01 8.77239e+00 212 2019 1 4.81678e+01 1.49764e+01 103 2019 2 1.11691e-02 1.95752e-02 7 2019 3 3.61369e+01 9.66261e+00 228 2019 4 3.83594e+01 7.64208e+00 137 2019 5 3.92520e+01 1.75366e+01 137 2019 6 5.94086e+01 1.50119e+00 42 2019 7 4.29583e+01 4.86217e-01 6 2019 8 4.73669e+01 2.49797e+01 82 2019 9 4.40788e+01 1.22390e+01 169 2019 10 4.46947e+01 6.28400e+00 278 2019 11 5.23601e+01 6.64721e+00 328 2019 12 4.11613e+01 8.65428e+00 116 2020 1 4.73734e+01 9.40486e+00 264 2020 2 4.23304e+01 6.61159e+00 61 2020 3 4.00518e+01 8.66238e+00 310 2020 4 4.35767e+01 1.17577e+01 117 2020 5 3.67691e+01 1.59090e+01 234 2020 6 4.79734e+01 1.15208e+01 226 2020 7 3.63322e+01 1.87239e+01 81 2020 8 4.04524e+01 4.17761e+00 49 2020 9 4.27763e+01 6.21959e+00 114 2020 10 4.34244e+01 1.09778e+01 262 2020 11 4.77333e+01 7.26334e+00 251 2020 12 5.33713e+01 8.68602e+00 219 2021 1 5.20279e+01 4.75625e+00 79 2021 2 4.37156e+01 7.35272e+00 231 2021 3 3.88554e+01 7.95049e+00 282 2021 4 3.31367e+01 1.32126e+01 213 2021 5 3.90176e+01 8.04425e+00 198 2021 6 4.33222e+01 8.40959e+00 56 2021 7 3.23915e+01 1.57577e+01 5 2021 8 3.49524e+01 4.31002e+00 28 2021 9 6.10857e+01 2.61608e+01 71 2021 10 4.74337e+01 1.15020e+01 200 2021 11 4.99946e+01 7.93779e+00 437 2021 12 4.76972e+01 8.34000e+00 351 2022 1 4.02966e+01 6.44287e+00 167 2022 2 4.63237e+01 1.11299e+01 447 2022 3 4.56572e+01 1.27461e+01 358 2022 4 nan nan 0 2022 5 4.21565e+01 1.02379e+01 165 2022 6 4.70616e+01 1.20681e+01 129 2022 7 4.82845e+01 1.58422e+01 158 2022 8 5.26007e+01 5.45969e+00 139 2022 9 5.37548e+01 4.90331e+00 144 2022 10 6.43399e+01 7.18364e+00 838 2022 11 5.04320e+01 6.23612e+00 293 2022 12 4.92341e+01 1.43272e+01 526 2023 1 5.43042e+01 1.01287e+01 505 2023 2 4.86420e+01 9.67888e+00 376 2023 3 4.29104e+01 1.44896e+01 332 2023 4 5.09612e+01 8.11849e+00 387 2023 5 5.90554e+01 4.63951e+00 166 2023 6 6.22765e+01 7.81607e+00 115 2023 7 5.72343e+01 1.04937e+01 172 2023 8 4.93068e+01 7.24755e+00 220 2023 9 4.49984e+01 1.28453e+01 260 2023 10 4.88860e+01 1.32156e+01 307 2023 11 5.22000e+01 8.15435e+00 438 2023 12 4.91288e+01 1.26022e+01 87 2024 1 3.83025e+01 1.04073e+01 120 2024 2 3.81320e+01 9.05900e+00 463 2024 3 3.35968e+01 1.19949e+01 205 2024 4 nan nan 0