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 8.69662e-01 2.54047e-01 333 2002 8 9.92455e-01 2.68222e-01 624 2002 9 1.37476e+00 4.44604e-01 487 2002 10 1.19601e+00 3.52530e-01 236 2002 11 1.11706e+00 1.72785e-01 242 2002 12 1.04749e+00 1.48802e-01 461 2003 1 9.73652e-01 1.06403e-01 207 2003 2 6.76014e-01 5.46694e-02 263 2003 3 9.18840e-01 1.02278e-01 138 2003 4 1.15307e+00 1.85713e-01 395 2003 5 9.45597e-01 1.58893e-01 307 2003 6 1.62266e+00 7.60136e-01 168 2003 7 9.98951e-01 1.80972e-01 250 2003 8 1.25721e+00 9.64815e-01 306 2003 9 9.98831e-01 1.01745e-01 328 2003 10 9.42784e-01 1.32785e-01 372 2003 11 8.55739e-01 1.62725e-01 229 2003 12 9.61701e-01 2.66069e-01 274 2004 1 5.91779e-01 3.81330e-02 46 2004 2 6.44673e-01 1.04993e-01 163 2004 3 1.20507e+00 3.45971e-01 189 2004 4 8.20161e-01 1.49679e-01 200 2004 5 8.75207e-01 1.85765e-01 247 2004 6 3.40093e+00 3.44392e+00 170 2004 7 3.66054e+00 2.82889e+00 189 2004 8 1.37058e+00 3.07485e-01 336 2004 9 1.13767e+00 3.17635e-01 706 2004 10 2.22974e+00 1.32247e+00 282 2004 11 1.29866e+00 5.45180e-01 267 2004 12 1.08309e+00 2.97051e-01 113 2005 1 9.28370e-01 2.38458e-01 59 2005 2 6.28564e-01 1.19356e-01 157 2005 3 6.77595e-01 2.15941e-01 425 2005 4 8.92073e-01 2.10385e-01 415 2005 5 6.11862e-01 7.49379e-02 147 2005 6 7.62001e-01 1.03059e-01 242 2005 7 4.49914e-01 6.13193e-02 293 2005 8 6.91646e-01 2.13708e-01 496 2005 9 1.13256e+00 3.65223e-01 445 2005 10 1.28550e+00 3.33681e-01 346 2005 11 7.99924e-01 2.41028e-01 83 2005 12 3.90204e-01 1.76999e-01 341 2006 1 5.40541e-01 1.06443e-01 278 2006 2 6.14250e-01 4.66257e-02 155 2006 3 6.91733e-01 2.47095e-01 337 2006 4 6.84740e-01 2.02528e-01 314 2006 5 6.37476e-01 1.25588e-01 181 2006 6 1.05382e+00 2.57124e-01 149 2006 7 6.99771e-01 9.38345e-02 232 2006 8 1.32541e+00 9.67270e-01 467 2006 9 8.64429e-01 1.31519e-01 215 2006 10 1.19410e+00 6.58217e-01 191 2006 11 6.55431e-01 1.42070e-01 214 2006 12 5.53510e-01 9.14522e-02 132 2007 1 4.93920e-01 1.49288e-01 295 2007 2 4.64311e-01 1.48242e-01 101 2007 3 7.88176e-01 1.89750e-01 366 2007 4 6.28045e-01 1.25550e-01 342 2007 5 6.71974e-01 1.96131e-01 221 2007 6 6.95343e-01 1.10850e-01 373 2007 7 5.13528e-01 1.57616e-01 249 2007 8 4.74712e-01 1.22289e-01 223 2007 9 7.78021e-01 1.36377e-01 409 2007 10 1.09693e+00 3.71507e-01 238 2007 11 6.15890e-01 2.45775e-01 168 2007 12 4.97137e-01 1.65882e-01 65 2008 1 3.74523e-01 6.04290e-02 22 2008 2 5.48416e-01 1.09965e-01 37 2008 3 5.45097e-01 8.26517e-02 207 2008 4 7.04186e-01 3.03622e-01 123 2008 5 6.52325e-01 3.18031e-01 198 2008 6 4.53867e+00 2.07242e+00 43 2008 7 3.28349e+00 2.54544e+00 295 2008 8 2.10761e+00 2.94571e+00 459 2008 9 1.23671e+00 2.75461e-01 233 2008 10 1.36630e+00 7.95199e-01 371 2008 11 4.19199e-01 4.42756e-02 57 2008 12 5.52584e-01 3.09491e-01 148 2009 1 5.80274e-01 1.85523e-01 116 2009 2 4.12883e-01 5.58420e-02 282 2009 3 6.32310e-01 1.43524e-01 310 2009 4 5.44335e-01 8.89744e-02 312 2009 5 5.99231e-01 2.90152e-01 297 2009 6 5.28171e-01 1.74914e-01 176 2009 7 6.44380e-01 1.12439e-01 132 2009 8 3.14712e+00 4.84536e+00 270 2009 9 1.32207e+00 9.18842e-01 649 2009 10 1.68106e+00 6.10113e-01 59 2009 11 1.02518e+00 4.04748e-01 128 2009 12 8.87035e-01 4.63100e-01 123 2010 1 5.01025e-01 1.20168e-01 253 2010 2 2.72182e-01 4.64112e-02 139 2010 3 6.10520e-01 2.50642e-01 718 2010 4 5.85464e-01 2.04157e-01 247 2010 5 8.86929e-01 2.64085e-01 222 2010 6 9.53546e-01 3.97468e-01 144 2010 7 8.88375e-01 4.84413e-01 193 2010 8 2.36985e+00 2.58522e+00 435 2010 9 1.29455e+00 3.21848e-01 253 2010 10 7.01964e+00 1.51106e+01 399 2010 11 7.83233e-01 9.37129e-02 173 2010 12 5.95235e-01 1.66840e-01 160 2011 1 4.94428e-01 1.27253e-01 241 2011 2 5.11207e-01 9.24141e-02 241 2011 3 6.34569e-01 1.66460e-01 362 2011 4 7.12444e-01 1.26022e-01 126 2011 5 5.36638e-01 1.44712e-01 89 2011 6 2.02497e+00 2.38213e+00 262 2011 7 1.46478e+00 8.47157e-01 426 2011 8 1.45065e+00 8.08048e-01 395 2011 9 2.36726e+00 2.48291e+00 359 2011 10 1.48359e+00 1.01858e+00 505 2011 11 6.16838e-01 1.29043e-01 53 2011 12 3.82961e-01 1.44267e-01 234 2012 1 5.81315e-01 1.14500e-01 294 2012 2 5.67756e-01 6.23322e-02 275 2012 3 7.00296e-01 1.59522e-01 343 2012 4 5.82415e-01 1.29996e-01 410 2012 5 1.32660e+00 5.63840e-01 279 2012 6 6.77638e-01 1.21052e-01 280 2012 7 6.18133e-01 2.03196e-01 372 2012 8 6.97472e-01 1.44343e-01 285 2012 9 1.24305e+00 3.23362e-01 441 2012 10 9.05023e-01 1.53495e-01 180 2012 11 5.43145e-01 1.20527e-01 183 2012 12 2.69245e-01 1.11395e-01 74 2013 1 4.11620e-01 1.17970e-01 295 2013 2 3.18841e-01 2.57355e-02 32 2013 3 3.88666e-01 1.15418e-01 352 2013 4 5.31254e-01 1.13853e-01 204 2013 5 5.66946e-01 3.11626e-01 284 2013 6 8.28308e-01 1.89919e-01 106 2013 7 7.29304e-01 1.21877e-01 315 2013 8 8.92562e-01 2.09334e-01 223 2013 9 9.14373e-01 2.20180e-01 352 2013 10 8.81891e-01 7.97288e-02 199 2013 11 5.45864e-01 8.17035e-02 99 2013 12 3.86224e-01 1.31372e-01 264 2014 1 nan nan 0 2014 2 4.02372e-01 9.30321e-02 80 2014 3 4.29453e-01 3.79259e-02 102 2014 4 5.27327e-01 8.66334e-02 121 2014 5 6.64716e-01 3.15566e-01 156 2014 6 8.94709e-01 4.99865e-01 150 2014 7 8.63922e-01 1.55308e-01 126 2014 8 8.91154e-01 4.71193e-01 233 2014 9 9.41987e-01 3.60087e-01 320 2014 10 1.24204e+00 6.14263e-01 375 2014 11 6.84017e-01 2.43827e-01 71 2014 12 4.45943e-01 7.74844e-02 133 2015 1 4.24114e-01 1.74911e-01 126 2015 2 6.98861e-01 1.08487e-01 17 2015 3 5.27867e-01 1.48862e-01 487 2015 4 4.57421e-01 2.97575e-02 199 2015 5 4.78047e-01 6.51435e-02 134 2015 6 7.51813e-01 3.04233e-01 292 2015 7 6.08196e-01 1.03030e-01 345 2015 8 5.80593e-01 1.71788e-01 115 2015 9 2.54469e+00 1.84699e+00 372 2015 10 1.30539e+00 3.22557e-01 288 2015 11 7.61355e-01 2.04575e-01 309 2015 12 5.75027e-01 1.79944e-01 134 2016 1 4.64952e-01 2.07226e-01 232 2016 2 3.87695e-01 7.58023e-02 197 2016 3 5.75457e-01 1.06851e-01 137 2016 4 4.70790e-01 5.45746e-02 176 2016 5 6.35701e-01 2.74684e-01 285 2016 6 1.06510e+00 2.93775e-01 281 2016 7 9.51924e-01 1.53034e-01 298 2016 8 9.35244e-01 3.25640e-01 501 2016 9 3.35203e+00 4.98932e+00 505 2016 10 1.35619e+00 4.73630e-01 246 2016 11 1.31216e+00 3.03246e-01 388 2016 12 3.69193e-01 1.76709e-01 49 2017 1 3.82424e-01 7.90442e-02 284 2017 2 3.86592e-01 9.88957e-02 514 2017 3 5.39405e-01 1.26024e-01 212 2017 4 4.82521e-01 4.46192e-02 219 2017 5 8.01416e-01 2.82907e-01 358 2017 6 1.61087e+00 4.78193e-01 294 2017 7 3.82004e+00 6.01602e+00 441 2017 8 1.05413e+00 4.32098e-01 269 2017 9 1.29853e+00 2.54898e-01 426 2017 10 2.94960e+00 7.00651e+00 433 2017 11 5.57385e-01 1.55282e-01 289 2017 12 5.32036e-01 9.67106e-02 72 2018 1 3.73240e-01 9.89368e-02 90 2018 2 5.33848e-01 1.09832e-01 297 2018 3 5.99222e-01 1.52046e-01 565 2018 4 5.92061e-01 1.38438e-01 411 2018 5 7.99750e-01 5.43747e-01 300 2018 6 8.17545e-01 3.00234e-01 142 2018 7 9.36027e-01 2.50965e-01 324 2018 8 8.23189e-01 2.74805e-01 159 2018 9 1.44856e+00 4.79582e-01 527 2018 10 2.46059e+00 1.27953e+00 239 2018 11 8.28536e-01 8.40216e-02 119 2018 12 6.08601e-01 2.30726e-01 301 2019 1 7.56550e-01 4.63476e-01 113 2019 2 6.11526e-01 2.44727e-01 59 2019 3 7.71633e-01 2.26030e-01 436 2019 4 5.61458e-01 7.88964e-02 271 2019 5 5.95785e-01 1.50642e-01 129 2019 6 9.72535e-01 3.68841e-01 45 2019 7 2.39232e+00 1.30817e+00 246 2019 8 1.43007e+00 1.32267e+00 359 2019 9 2.21624e+00 1.01187e+00 55 2019 10 2.65677e+00 5.62134e+00 302 2019 11 7.57899e-01 2.47381e-01 222 2019 12 6.05334e-01 2.80524e-01 181 2020 1 5.64031e-01 1.01950e-01 148 2020 2 8.78460e-01 2.36078e-01 432 2020 3 8.14676e-01 2.72665e-01 277 2020 4 7.22589e-01 2.22260e-01 224 2020 5 1.30732e+00 8.69659e-01 247 2020 6 1.99019e+00 7.29265e-01 448 2020 7 1.68161e+00 5.15715e-01 404 2020 8 2.50410e+00 1.37327e+00 124 2020 9 2.20786e+00 5.61212e-01 126 2020 10 2.36016e+00 6.26381e-01 274 2020 11 1.58362e+00 9.04928e-01 482 2020 12 1.21164e+00 4.41324e-01 192 2021 1 7.03216e-01 1.46093e-01 90 2021 2 5.17207e-01 1.07676e-01 237 2021 3 7.00921e-01 1.24230e-01 580 2021 4 5.59367e-01 1.78920e-01 238 2021 5 6.20340e-01 1.21135e-01 182 2021 6 8.29792e-01 2.09371e-01 399 2021 7 1.80884e+00 1.31295e+00 108 2021 8 1.38215e+00 2.35665e+00 360 2021 9 1.85883e+00 6.13169e-01 374 2021 10 1.80146e+00 4.29233e-01 129 2021 11 1.04472e+00 4.03001e-01 199 2021 12 7.80083e-01 2.13055e-01 50 2022 1 1.11226e+00 6.08106e-01 203 2022 2 5.08856e-01 0.00000e+00 3 2022 3 5.15868e-01 6.05348e-02 256 2022 4 5.48871e-01 9.85870e-03 6 2022 5 5.05578e-01 8.48658e-02 136 2022 6 1.26769e+00 7.99193e-01 286 2022 7 5.94095e-01 1.03400e-01 140 2022 8 1.12972e+00 4.46233e-01 446 2022 9 1.06124e+00 3.30542e-01 314 2022 10 9.80922e-01 1.86672e-01 601 2022 11 8.82447e-01 5.37036e-01 435 2022 12 4.64360e-01 1.73099e-01 99 2023 1 3.78411e-01 1.40623e-01 294 2023 2 4.45011e-01 2.04111e-01 716 2023 3 5.47833e-01 3.27653e-01 417 2023 4 5.08635e-01 2.06860e-01 473 2023 5 8.88425e-01 5.81200e-01 474 2023 6 5.95856e-01 1.77741e-01 179 2023 7 7.59149e-01 2.43619e-01 184 2023 8 8.08178e-01 2.67482e-01 447 2023 9 1.09899e+00 6.05412e-01 351 2023 10 1.35279e+00 4.83526e-01 184 2023 11 7.29546e-01 2.89313e-01 507 2023 12 2.46282e-01 9.65426e-02 131 2024 1 6.46887e-01 3.52106e-01 256 2024 2 5.46100e-01 2.73147e-01 525 2024 3 5.56862e-01 1.41968e-01 503 2024 4 nan nan 0