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 3.68475e-01 1.72136e-01 51 2002 8 4.31569e-01 9.70484e-02 136 2002 9 3.38185e-01 7.20104e-02 157 2002 10 4.17976e-01 1.34350e-01 183 2002 11 3.11350e-01 1.25582e-01 487 2002 12 3.58724e-01 1.49505e-01 422 2003 1 3.66136e-01 1.41511e-01 580 2003 2 3.11598e-01 1.44994e-01 372 2003 3 2.71832e-01 7.78944e-02 200 2003 4 3.99944e-01 9.64788e-02 60 2003 5 2.09520e-01 8.21384e-02 143 2003 6 5.75770e-01 2.56838e-01 59 2003 7 3.54420e-01 7.86389e-02 37 2003 8 3.96450e-01 2.20295e-01 92 2003 9 3.71944e-01 1.55448e-01 79 2003 10 1.95516e-01 6.21226e-02 385 2003 11 7.36311e-01 3.96068e-01 95 2003 12 2.81760e-01 1.15745e-01 246 2004 1 2.53520e-01 2.21103e-01 428 2004 2 3.22323e-01 9.79589e-02 546 2004 3 1.91701e-01 1.14117e-01 326 2004 4 3.49938e-01 1.59066e-01 399 2004 5 1.41450e-01 4.64338e-02 37 2004 6 3.12452e-01 1.09406e-01 129 2004 7 5.08972e-01 1.58309e-01 177 2004 8 2.91279e-01 9.53652e-02 76 2004 9 4.80253e-01 1.54330e-01 142 2004 10 3.57529e-01 8.60508e-02 118 2004 11 2.14586e-01 5.90164e-02 173 2004 12 2.97162e-01 1.00466e-01 324 2005 1 3.13037e-01 1.52893e-01 170 2005 2 3.57684e-01 2.19868e-01 142 2005 3 2.47509e-01 6.03854e-02 493 2005 4 2.25913e-01 9.32376e-02 267 2005 5 2.27731e-01 1.11788e-01 135 2005 6 nan nan 0 2005 7 4.49542e-01 1.43982e-01 79 2005 8 3.58982e-01 5.10386e-02 115 2005 9 3.58381e-01 1.08919e-01 109 2005 10 2.81559e-01 5.99042e-02 148 2005 11 2.77649e-01 7.21412e-02 278 2005 12 3.77631e-01 1.64880e-01 391 2006 1 2.02284e-01 6.53501e-02 156 2006 2 2.63480e-01 1.11540e-01 498 2006 3 3.63618e-01 6.88072e-02 325 2006 4 3.26126e-01 8.19785e-02 201 2006 5 2.82576e-01 6.51717e-02 214 2006 6 1.67107e-01 3.45767e-02 59 2006 7 2.90957e-01 5.47111e-02 51 2006 8 3.10618e-01 6.04925e-02 97 2006 9 2.58923e-01 4.44511e-02 220 2006 10 3.08871e-01 1.17472e-01 219 2006 11 3.57264e-01 1.07825e-01 426 2006 12 4.19086e-01 1.54130e-01 377 2007 1 4.21800e-01 1.06864e-01 457 2007 2 3.16913e-01 1.11525e-01 676 2007 3 2.14024e-01 1.06306e-01 223 2007 4 2.98591e-01 1.29482e-01 201 2007 5 1.73519e-01 7.07656e-02 158 2007 6 2.56083e-01 3.95296e-02 68 2007 7 3.67800e-01 1.28059e-01 124 2007 8 3.42150e-01 9.04447e-02 64 2007 9 4.46580e-01 2.22920e-01 104 2007 10 3.88213e-01 1.50164e-01 125 2007 11 3.48117e-01 1.24445e-01 331 2007 12 3.16000e-01 1.45098e-01 234 2008 1 3.91705e-01 1.16231e-01 394 2008 2 3.25949e-01 1.05302e-01 537 2008 3 3.30896e-01 8.86839e-02 228 2008 4 2.16444e-01 5.53251e-02 186 2008 5 2.72362e-01 9.33728e-02 176 2008 6 3.58705e-01 9.30998e-02 59 2008 7 2.21901e-01 6.42111e-02 157 2008 8 2.34259e-01 1.16172e-01 130 2008 9 2.92926e-01 9.59817e-02 254 2008 10 2.04024e-01 1.04793e-01 329 2008 11 2.65478e-01 9.72057e-02 496 2008 12 2.84906e-01 8.53351e-02 330 2009 1 2.63491e-01 1.75473e-01 412 2009 2 2.88918e-01 1.22026e-01 346 2009 3 3.10025e-01 8.76818e-02 156 2009 4 5.23097e-01 3.34241e-01 312 2009 5 3.46089e-01 2.30400e-02 87 2009 6 2.77142e-01 8.13959e-02 101 2009 7 2.45089e-01 1.01621e-01 126 2009 8 3.71575e-01 7.35598e-01 113 2009 9 2.95365e-01 1.11371e-01 335 2009 10 3.42155e-01 1.97877e-01 368 2009 11 3.15840e-01 1.74708e-01 236 2009 12 2.88345e-01 1.27609e-01 381 2010 1 4.69441e-01 1.67109e-01 474 2010 2 3.10353e-01 6.62146e-02 365 2010 3 2.70420e-01 9.63021e-02 376 2010 4 2.74255e-01 1.12095e-01 183 2010 5 2.51260e-01 1.27540e-01 193 2010 6 3.20014e-01 4.17928e-02 65 2010 7 3.41763e-01 2.55467e-02 54 2010 8 4.96990e-01 3.05535e-01 152 2010 9 3.87332e-01 1.51346e-01 205 2010 10 2.85690e-01 1.34209e-01 255 2010 11 4.65990e-01 1.17584e-01 278 2010 12 4.54460e-01 2.70107e-01 362 2011 1 2.57751e-01 8.89410e-02 460 2011 2 3.68263e-01 1.10504e-01 435 2011 3 3.27566e-01 2.40210e-01 348 2011 4 2.24032e-01 1.37493e-01 334 2011 5 3.04570e-01 7.18874e-02 76 2011 6 3.05086e-01 3.84329e-02 49 2011 7 2.29180e-01 6.18888e-02 64 2011 8 2.88156e-01 1.02912e-03 8 2011 9 3.17575e-01 8.25033e-02 175 2011 10 2.52727e-01 5.75817e-02 185 2011 11 2.58180e-01 1.23157e-01 250 2011 12 3.36604e-01 1.29310e-01 197 2012 1 3.86088e-01 9.40043e-02 476 2012 2 2.26879e-01 3.48723e-01 365 2012 3 1.36776e-01 8.94434e-02 223 2012 4 3.04195e-01 6.07562e-02 175 2012 5 2.90002e-01 9.83267e-02 64 2012 6 2.78990e-01 1.00349e-01 108 2012 7 2.28323e-01 2.92996e-02 89 2012 8 4.30789e-01 8.43746e-02 69 2012 9 4.39691e-01 1.46198e-01 379 2012 10 4.35639e-01 1.63259e-01 272 2012 11 3.27242e-01 8.43604e-02 330 2012 12 3.02274e-01 1.94529e-01 397 2013 1 4.25810e-01 1.78581e-01 316 2013 2 3.82159e-01 9.90551e-02 492 2013 3 3.76902e-01 1.04027e-01 333 2013 4 2.59848e-01 1.14094e-01 282 2013 5 2.43193e-01 6.94971e-02 137 2013 6 nan nan 0 2013 7 2.69617e-01 7.39143e-02 144 2013 8 3.09388e-01 6.61008e-02 145 2013 9 3.13760e-01 5.67786e-02 259 2013 10 3.29184e-01 1.53277e-01 142 2013 11 3.30766e-01 7.41508e-02 270 2013 12 2.93493e-01 9.81552e-02 385 2014 1 4.39145e-01 1.89795e-01 523 2014 2 3.59344e-01 1.24628e-01 416 2014 3 3.53323e-01 8.62899e-02 479 2014 4 2.15045e-01 1.31585e-01 269 2014 5 2.34030e-01 8.16615e-02 188 2014 6 3.43829e-01 1.71479e-01 129 2014 7 1.71055e-01 1.49319e-02 35 2014 8 2.09872e-01 3.08810e-02 120 2014 9 3.22831e-01 1.09226e-01 218 2014 10 3.80627e-01 1.03794e-01 301 2014 11 5.02158e-01 3.54471e-01 412 2014 12 3.03616e-01 1.01493e-01 402 2015 1 3.11929e-01 1.61946e-01 364 2015 2 2.99239e-01 1.54905e-01 232 2015 3 2.48252e-01 1.70226e-01 198 2015 4 3.29444e-01 7.31972e-02 230 2015 5 4.26248e-01 2.03463e-01 108 2015 6 3.32055e-01 3.99832e-02 37 2015 7 2.07552e-01 1.49706e-03 13 2015 8 2.11913e-01 4.68504e-02 240 2015 9 3.32909e-01 9.18390e-02 266 2015 10 3.19066e-01 7.24941e-02 328 2015 11 3.19409e-01 1.16729e-01 310 2015 12 2.61060e-01 1.34615e-01 457 2016 1 3.60591e-01 1.09136e-01 549 2016 2 3.87751e-01 1.16579e-01 216 2016 3 3.14423e-01 1.03173e-01 306 2016 4 3.03938e-01 6.50044e-02 306 2016 5 3.43483e-01 8.69526e-02 98 2016 6 3.09509e-01 3.91471e-02 110 2016 7 3.12408e-01 8.93744e-02 64 2016 8 nan nan 0 2016 9 3.38266e-01 2.04645e-01 164 2016 10 4.26925e-01 8.22291e-02 121 2016 11 2.78236e-01 1.30741e-01 31 2016 12 2.86984e-01 1.10116e-01 475 2017 1 4.04295e-01 1.13586e-01 424 2017 2 2.79565e-01 8.97958e-02 390 2017 3 2.76529e-01 9.24960e-02 151 2017 4 3.15614e-01 8.36131e-02 113 2017 5 3.58414e-01 1.29627e-01 233 2017 6 2.53355e-01 8.38847e-02 119 2017 7 3.10877e-01 9.50365e-02 114 2017 8 nan nan 0 2017 9 3.10228e-01 1.65799e-01 114 2017 10 2.28678e-01 9.99515e-02 237 2017 11 3.57927e-01 1.33406e-01 215 2017 12 2.54153e-01 6.57458e-02 315 2018 1 2.46210e-01 1.08677e-01 377 2018 2 2.29288e-01 1.13328e-01 300 2018 3 3.19999e-01 8.45223e-02 335 2018 4 2.91950e-01 1.62369e-01 385 2018 5 2.22295e-01 6.38075e-02 257 2018 6 2.88491e-01 1.35633e-01 74 2018 7 4.28798e-01 1.72493e-01 127 2018 8 2.69700e-01 8.50867e-02 119 2018 9 2.81211e-01 7.89872e-02 191 2018 10 4.15115e-01 1.36071e-01 296 2018 11 2.80470e-01 6.74847e-02 371 2018 12 2.31813e-01 6.23648e-02 296 2019 1 2.55257e-01 7.03345e-02 432 2019 2 2.72129e-01 1.23080e-01 436 2019 3 2.30038e-01 1.08653e-01 323 2019 4 2.85689e-01 6.06305e-02 260 2019 5 2.59404e-01 5.71959e-02 55 2019 6 3.12370e-01 8.17146e-02 192 2019 7 1.98521e-01 3.68457e-02 50 2019 8 2.27867e-01 9.16665e-02 197 2019 9 2.16759e-01 8.59523e-02 262 2019 10 2.59694e-01 8.14419e-02 205 2019 11 4.28369e-01 1.54158e-01 450 2019 12 3.65460e-01 9.53661e-02 449 2020 1 3.21999e-01 2.01964e-01 220 2020 2 3.47178e-01 9.61698e-02 514 2020 3 2.77994e-01 9.17188e-02 284 2020 4 1.84471e-01 9.72255e-02 505 2020 5 2.76280e-01 5.44820e-02 115 2020 6 3.71307e-01 7.09979e-02 241 2020 7 3.47081e-01 1.37366e-01 175 2020 8 2.25565e-01 1.04796e-01 127 2020 9 2.21121e-01 6.51670e-02 127 2020 10 2.85780e-01 9.72550e-02 259 2020 11 3.21131e-01 1.85811e-01 422 2020 12 3.95168e-01 1.37366e-01 402 2021 1 3.62451e-01 9.27413e-02 548 2021 2 2.78981e-01 1.12121e-01 373 2021 3 2.26690e-01 7.17182e-02 265 2021 4 2.18213e-01 5.78149e-02 185 2021 5 2.22880e-01 5.91568e-02 127 2021 6 6.56634e-01 9.70946e-02 31 2021 7 4.76323e-01 2.55002e-01 193 2021 8 2.80946e-01 3.59879e-02 36 2021 9 5.14369e-01 2.35354e+00 211 2021 10 2.82428e-01 6.90917e-02 371 2021 11 3.34133e-01 1.24054e-01 332 2021 12 3.19309e-01 8.44566e-02 374 2022 1 4.52367e-01 8.91879e-02 636 2022 2 4.16896e-01 1.10879e-01 301 2022 3 2.77688e-01 1.10457e-01 169 2022 4 1.01285e-01 6.09376e-03 31 2022 5 1.73566e-01 1.27399e-02 38 2022 6 1.88871e-01 6.79167e-02 288 2022 7 2.10109e-01 5.55494e-02 85 2022 8 3.17013e-01 3.33716e-01 166 2022 9 4.83589e-01 2.22981e-01 147 2022 10 1.80662e-01 4.58396e-02 211 2022 11 2.82908e-01 4.15200e-01 453 2022 12 3.63244e-01 2.67299e-01 834 2023 1 3.35200e-01 1.31073e-01 623 2023 2 2.69208e-01 9.78847e-02 338 2023 3 2.67071e-01 2.64478e-01 490 2023 4 1.55275e-01 4.40944e-02 629 2023 5 1.66194e-01 7.90730e-02 476 2023 6 2.52614e-01 3.20043e-02 193 2023 7 nan nan 0 2023 8 2.67934e-01 1.48684e-01 300 2023 9 2.76483e-01 7.14709e-02 243 2023 10 1.85631e-01 7.46791e-02 377 2023 11 1.85005e-01 7.07808e-02 431 2023 12 2.13250e-01 1.16050e-01 489 2024 1 3.02801e-01 1.74718e-01 405 2024 2 3.12701e-01 1.02371e-01 506 2024 3 2.28759e-01 1.42856e-01 362 2024 4 1.52419e-01 1.55759e-01 9