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 6.52325e+01 9.00016e+00 87 2002 8 7.11188e+01 7.52936e+00 85 2002 9 6.01709e+01 8.46962e+00 82 2002 10 6.62146e+01 1.39370e+01 393 2002 11 4.00839e+01 1.59456e+01 243 2002 12 4.57324e+01 1.47628e+01 257 2003 1 4.34070e+01 1.33521e+01 494 2003 2 5.27212e+01 9.02224e+00 412 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 3.05180e+01 4.59804e+00 30 2003 7 nan nan 0 2003 8 2.40578e+01 1.43133e+01 4 2003 9 5.56491e+01 2.10426e+01 74 2003 10 5.19328e+01 1.62528e+01 219 2003 11 5.31983e+01 1.57095e+01 430 2003 12 5.48856e+01 1.33869e+01 566 2004 1 6.02576e+01 1.07137e+01 480 2004 2 4.38533e+01 1.73596e+01 196 2004 3 4.32937e+01 2.33862e+01 223 2004 4 5.76745e+01 1.11643e+01 165 2004 5 6.17916e+01 1.50144e+01 106 2004 6 7.16590e+01 1.04508e+01 158 2004 7 7.13933e+01 1.42804e+01 77 2004 8 6.77349e+01 9.87168e+00 74 2004 9 nan nan 0 2004 10 1.06514e+00 2.77887e+00 9 2004 11 1.11480e+01 1.04893e+01 25 2004 12 4.34732e+01 1.28873e+01 178 2005 1 4.69584e+01 1.03613e+01 276 2005 2 5.77772e+01 1.25625e+01 225 2005 3 5.31449e+01 1.01489e+01 187 2005 4 1.40027e+00 2.67641e+00 11 2005 5 nan nan 0 2005 6 2.65094e+01 1.94884e+01 18 2005 7 nan nan 0 2005 8 5.64751e+01 0.00000e+00 1 2005 9 6.52139e+01 9.44193e+00 124 2005 10 6.25457e+01 1.17865e+01 243 2005 11 6.52922e+01 7.83137e+00 501 2005 12 5.75214e+01 1.16563e+01 373 2006 1 4.06243e+01 1.13322e+01 299 2006 2 4.31749e+01 1.24944e+01 318 2006 3 3.98443e+01 1.56564e+01 436 2006 4 5.85554e+01 1.04496e+01 157 2006 5 6.03269e+01 2.09638e+01 42 2006 6 7.30671e+01 2.59902e+00 77 2006 7 6.19990e+01 1.37867e+01 53 2006 8 7.10992e+01 3.34305e+00 22 2006 9 5.84284e+01 1.72627e+01 216 2006 10 6.22161e+01 1.47535e+01 314 2006 11 6.38872e+01 1.30867e+01 476 2006 12 7.35434e+01 6.86097e+00 262 2007 1 5.94834e+01 1.27805e+01 327 2007 2 6.48537e+01 6.88344e+00 415 2007 3 6.45952e+01 1.06544e+01 616 2007 4 6.72255e+01 1.60224e+01 166 2007 5 8.68001e+01 1.05757e+00 6 2007 6 6.67040e+01 1.17773e+01 97 2007 7 6.82156e+01 1.09765e+01 122 2007 8 6.95574e+01 7.18475e+00 110 2007 9 7.46948e+01 1.03223e+01 71 2007 10 7.82496e+01 2.73207e+00 162 2007 11 6.92765e+01 1.22525e+01 588 2007 12 7.36785e+01 8.40252e+00 252 2008 1 6.29450e+01 1.27556e+01 367 2008 2 6.83415e+01 8.69433e+00 534 2008 3 6.66565e+01 5.42888e+00 367 2008 4 5.91004e+01 6.25129e+00 261 2008 5 6.51175e+01 6.26324e+00 133 2008 6 5.42741e+01 1.90210e+01 80 2008 7 6.38399e+01 1.15936e+01 152 2008 8 5.16828e+01 1.95679e+01 40 2008 9 9.12423e+00 1.15003e+01 64 2008 10 5.90628e+01 1.72005e+01 382 2008 11 6.44870e+01 1.04718e+01 474 2008 12 5.82559e+01 1.22096e+01 625 2009 1 5.92685e+01 1.60209e+01 434 2009 2 6.51681e+01 7.72241e+00 672 2009 3 7.02806e+01 8.99945e+00 380 2009 4 5.18052e+01 8.33644e+00 133 2009 5 5.41050e+01 1.56607e+01 126 2009 6 6.28981e+01 6.70332e+00 42 2009 7 6.34324e+01 6.77954e+00 44 2009 8 3.77349e+01 1.25612e+01 70 2009 9 5.50746e+01 1.49194e+01 170 2009 10 5.25477e+01 1.65213e+01 292 2009 11 6.90983e+01 1.18097e+01 393 2009 12 5.95044e+01 1.25698e+01 194 2010 1 5.61298e+01 9.99949e+00 607 2010 2 2.46379e+01 1.80583e+01 64 2010 3 2.58725e+01 1.65311e+01 138 2010 4 4.44179e+01 2.01978e+01 146 2010 5 5.25356e+01 7.68767e+00 53 2010 6 nan nan 0 2010 7 4.63602e+01 1.06653e+01 58 2010 8 3.91221e+01 1.11929e+01 21 2010 9 4.13679e+01 1.97055e+01 136 2010 10 5.70699e+01 1.66655e+01 642 2010 11 6.44961e+01 1.24843e+01 624 2010 12 5.81788e+01 1.33855e+01 461 2011 1 5.88250e+01 9.94870e+00 428 2011 2 6.06162e+01 9.64897e+00 371 2011 3 5.33463e+01 1.23142e+01 611 2011 4 5.81195e+01 1.48345e+01 311 2011 5 6.76239e+01 1.09233e+01 190 2011 6 6.80589e+01 0.00000e+00 2 2011 7 6.26563e+01 1.29731e+01 35 2011 8 6.62861e+01 1.57466e+01 83 2011 9 6.83129e+01 1.34764e+01 322 2011 10 6.70092e+01 1.31874e+01 468 2011 11 7.00509e+01 8.03509e+00 511 2011 12 6.98205e+01 7.98434e+00 468 2012 1 6.69227e+01 9.82941e+00 609 2012 2 7.08564e+01 7.23732e+00 173 2012 3 6.84454e+01 1.88964e+01 361 2012 4 6.75678e+01 1.41412e+01 139 2012 5 7.34289e+01 1.21132e+01 178 2012 6 7.07773e+01 0.00000e+00 1 2012 7 9.92974e-04 1.17912e-03 5 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 1.97532e+01 3.69428e+01 9 2012 11 5.32026e+01 1.14781e+01 461 2012 12 5.81175e+01 1.40372e+01 163 2013 1 6.21039e+01 1.34025e+01 356 2013 2 5.47509e+01 7.64836e+00 195 2013 3 5.36608e+01 9.35900e+00 365 2013 4 5.33244e+01 1.05553e+01 197 2013 5 6.30015e+01 2.90076e+00 83 2013 6 6.14782e+01 1.11811e+01 106 2013 7 nan nan 0 2013 8 8.68175e+01 5.94822e+00 9 2013 9 7.48225e+01 3.17003e+01 15 2013 10 4.91079e+01 1.67671e+01 203 2013 11 5.33681e+01 1.65236e+01 217 2013 12 5.61811e+01 1.81587e+01 550 2014 1 5.28503e+01 1.28718e+01 240 2014 2 5.76330e+01 7.02513e+00 240 2014 3 4.25502e+01 1.94609e+01 192 2014 4 4.11151e+01 1.93887e+01 31 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 4.53124e+01 1.37009e+01 245 2014 8 5.16181e+01 1.68931e+01 99 2014 9 6.70514e+01 7.04055e+00 156 2014 10 4.86378e+01 1.63116e+01 733 2014 11 6.02560e+01 1.01983e+01 641 2014 12 6.57765e+01 9.02889e+00 348 2015 1 6.02682e+01 1.25525e+01 311 2015 2 5.33991e+01 8.65688e+00 406 2015 3 5.11604e+01 1.12762e+01 330 2015 4 nan nan 0 2015 5 6.44463e+01 5.14389e+00 103 2015 6 5.70300e+01 2.36620e+01 104 2015 7 6.64045e+01 1.08559e+01 26 2015 8 8.19679e+01 9.58846e+00 9 2015 9 4.84606e+01 8.37382e+00 8 2015 10 6.14759e+01 7.16267e+00 269 2015 11 5.79017e+01 1.18825e+01 269 2015 12 6.56820e+01 9.00392e+00 379 2016 1 5.75724e+01 1.17011e+01 431 2016 2 4.80242e+01 1.27919e+01 496 2016 3 5.55960e+01 1.23769e+01 466 2016 4 4.82497e+01 1.99521e+01 231 2016 5 4.65892e+01 1.90127e+01 48 2016 6 6.28588e+01 1.35619e+01 137 2016 7 6.11599e+01 1.57291e+01 134 2016 8 2.76903e+01 2.28753e+01 41 2016 9 9.04548e+00 2.02967e+01 18 2016 10 4.70443e+01 2.62000e+01 234 2016 11 6.62572e+01 8.22979e+00 415 2016 12 6.49134e+01 9.44403e+00 317 2017 1 5.74639e+01 1.57255e+01 364 2017 2 6.09991e+01 1.27416e+01 456 2017 3 6.61299e+01 8.36928e+00 535 2017 4 6.55701e+01 6.16807e+00 119 2017 5 4.96655e+01 1.67290e+01 73 2017 6 7.00644e+01 1.73111e+00 7 2017 7 5.89590e+01 3.91830e+01 18 2017 8 6.04161e+01 1.30795e+01 93 2017 9 4.87532e+01 1.59656e+01 137 2017 10 4.33517e+01 3.19457e+01 138 2017 11 6.45950e+01 8.44759e+00 525 2017 12 6.68183e+01 1.06726e+01 400 2018 1 5.91840e+01 1.01206e+01 445 2018 2 6.71522e+01 5.31222e+00 376 2018 3 5.30309e+01 1.55365e+01 498 2018 4 4.84470e+01 1.21013e+01 89 2018 5 5.37493e+01 2.62091e+01 320 2018 6 3.08354e+01 2.16093e+01 71 2018 7 6.60067e+01 8.06559e+00 51 2018 8 1.02659e+01 9.59707e+00 52 2018 9 2.82378e+01 2.18953e+01 148 2018 10 4.22471e+01 1.90707e+01 306 2018 11 5.15487e+01 9.58443e+00 80 2018 12 4.80924e+01 1.63490e+01 167 2019 1 3.99890e+01 1.85669e+01 44 2019 2 5.15471e+01 9.55112e+00 205 2019 3 4.19717e+01 2.19433e+01 196 2019 4 5.52144e+01 6.53167e+00 186 2019 5 6.45945e+01 7.05923e+00 54 2019 6 nan nan 0 2019 7 4.17893e+01 0.00000e+00 1 2019 8 3.23710e+01 3.15472e+01 27 2019 9 4.26975e+01 1.68665e+01 76 2019 10 5.73927e+01 1.70486e+01 306 2019 11 5.86219e+01 1.69979e+01 415 2019 12 6.37459e+01 9.80752e+00 227 2020 1 5.49777e+01 1.20990e+01 260 2020 2 5.01942e+01 2.06613e+01 291 2020 3 5.96065e+01 1.27059e+01 405 2020 4 5.01803e+01 1.78995e+01 167 2020 5 6.07401e+01 2.01183e+01 151 2020 6 5.16124e+01 5.25510e+00 62 2020 7 nan nan 0 2020 8 5.01626e+01 1.33222e+01 43 2020 9 1.82901e+01 1.82933e+01 4 2020 10 nan nan 0 2020 11 4.86503e+01 1.60829e+01 166 2020 12 5.00092e+01 1.65053e+01 274 2021 1 4.30093e+01 1.31066e+01 211 2021 2 4.89076e+01 1.89540e+01 205 2021 3 3.13859e+01 1.96837e+01 54 2021 4 3.17362e+01 1.56753e+01 85 2021 5 5.40671e+01 1.89003e+01 180 2021 6 6.98951e+01 3.68876e+00 83 2021 7 9.65910e+01 0.00000e+00 1 2021 8 nan nan 0 2021 9 7.10479e+01 4.59463e+00 62 2021 10 4.17047e+01 2.21112e+01 142 2021 11 3.91070e+01 1.56508e+01 144 2021 12 5.69368e+01 9.03195e+00 310 2022 1 4.84479e+01 1.06804e+01 480 2022 2 5.82890e+01 1.17050e+01 514 2022 3 6.63549e+01 9.68456e+00 303 2022 4 3.74995e+01 2.22906e+01 28 2022 5 5.15115e+01 1.34123e+01 150 2022 6 6.55214e+01 7.16043e+00 154 2022 7 7.97389e+01 3.98654e+00 50 2022 8 6.20779e+01 1.52585e+01 170 2022 9 6.41640e+01 1.04586e+01 102 2022 10 6.34837e+01 1.24152e+01 803 2022 11 6.38868e+01 1.37617e+01 283 2022 12 6.16727e+01 1.98865e+01 593 2023 1 6.81792e+01 7.74911e+00 772 2023 2 6.85855e+01 6.23021e+00 387 2023 3 6.72176e+01 9.87135e+00 369 2023 4 7.16553e+01 1.24000e+01 295 2023 5 4.81349e+01 2.37365e+01 112 2023 6 8.06187e+01 1.59938e+00 64 2023 7 1.57142e+00 1.89750e-01 2 2023 8 5.94005e+01 2.69634e+01 55 2023 9 3.81949e+01 2.11133e+01 194 2023 10 4.96643e+01 1.64442e+01 236 2023 11 6.20337e+01 1.59588e+01 485 2023 12 3.64744e+01 1.26719e+01 48 2024 1 5.24818e+01 1.11014e+01 53 2024 2 2.29039e+01 1.82424e+01 331 2024 3 nan nan 0 2024 4 nan nan 0