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 1.41232e-02 1.32028e-03 113 2002 8 2.41136e-03 2.96248e-02 64 2002 9 1.32569e-02 2.01557e-03 260 2002 10 8.60803e-03 2.87901e-02 562 2002 11 1.24311e-02 3.63586e-03 709 2002 12 2.33196e-03 2.50240e-02 509 2003 1 1.19903e-02 4.93173e-03 664 2003 2 1.24622e-02 2.23688e-03 488 2003 3 1.03168e-02 1.24193e-02 880 2003 4 1.00378e-02 4.41034e-03 221 2003 5 2.57250e-03 7.87655e-02 181 2003 6 1.93441e-02 3.70647e-03 66 2003 7 2.18528e-02 3.42961e-03 71 2003 8 1.16123e-02 1.74176e-03 267 2003 9 1.29699e-02 1.92996e-03 310 2003 10 1.27571e-02 3.53114e-03 398 2003 11 1.04644e-02 1.88164e-03 368 2003 12 1.12965e-02 2.04152e-03 554 2004 1 1.55822e-02 3.93584e-03 546 2004 2 1.39472e-02 3.43780e-03 605 2004 3 1.12211e-02 1.99252e-03 532 2004 4 8.72882e-03 7.66099e-03 576 2004 5 1.57696e-02 1.96803e-03 64 2004 6 5.11147e-04 3.62134e-02 241 2004 7 -8.43978e-03 3.32269e-02 220 2004 8 3.04864e-02 4.82033e-02 194 2004 9 5.87488e-03 2.70913e-02 302 2004 10 1.65743e-02 8.54185e-03 324 2004 11 1.40362e-02 2.19033e-03 377 2004 12 1.46386e-02 7.36061e-03 205 2005 1 1.30768e-02 4.01780e-03 397 2005 2 1.11531e-02 7.89844e-03 768 2005 3 1.02720e-02 1.76425e-03 637 2005 4 1.10963e-02 2.48557e-03 395 2005 5 1.08633e-02 9.89423e-04 138 2005 6 1.49017e-02 1.42197e-03 64 2005 7 1.31081e-02 1.09866e-03 155 2005 8 1.21077e-02 1.49598e-03 226 2005 9 1.26440e-02 3.52724e-03 445 2005 10 1.41279e-02 1.99067e-03 74 2005 11 1.34612e-02 7.71087e-03 538 2005 12 1.36933e-02 3.42155e-03 598 2006 1 1.65205e-02 2.93742e-03 291 2006 2 1.50359e-02 3.09148e-03 625 2006 3 1.21583e-02 9.13774e-03 538 2006 4 9.78420e-03 1.40408e-03 266 2006 5 1.01889e-02 1.82035e-03 475 2006 6 1.06826e-02 1.38923e-03 72 2006 7 -1.44937e-03 3.31539e-02 223 2006 8 1.43523e-02 5.25389e-03 256 2006 9 1.62335e-02 3.97456e-03 396 2006 10 1.27699e-02 1.89740e-03 220 2006 11 1.29330e-02 2.90011e-03 795 2006 12 1.64927e-02 3.87572e-03 296 2007 1 1.44792e-02 2.91434e-03 834 2007 2 1.15603e-02 4.91094e-03 505 2007 3 9.22913e-03 1.45736e-02 264 2007 4 1.32533e-02 2.21899e-03 297 2007 5 1.05229e-02 2.05410e-03 148 2007 6 1.83283e-03 3.69769e-02 222 2007 7 -1.59730e-03 3.34750e-02 179 2007 8 -6.50373e-04 2.99296e-02 204 2007 9 1.28476e-02 2.70282e-03 219 2007 10 9.36180e-03 1.54134e-02 190 2007 11 1.35178e-02 3.36348e-03 482 2007 12 1.42630e-02 3.75373e-03 821 2008 1 1.58954e-02 4.39175e-03 558 2008 2 1.67101e-02 7.63904e-03 495 2008 3 1.20060e-02 4.15738e-03 362 2008 4 1.22221e-02 1.76414e-03 128 2008 5 1.23724e-02 2.34656e-03 320 2008 6 1.15067e-02 5.81964e-04 29 2008 7 9.53266e-03 1.67895e-03 93 2008 8 -1.80822e-02 3.11288e-02 137 2008 9 1.46937e-02 2.31624e-03 177 2008 10 1.10275e-02 9.08388e-03 457 2008 11 1.23635e-02 6.08848e-03 535 2008 12 1.24326e-02 2.57923e-03 623 2009 1 8.76257e-03 1.40353e-02 656 2009 2 9.55168e-03 1.35534e-02 550 2009 3 8.49260e-03 1.16312e-02 526 2009 4 2.02040e-02 1.18584e-02 357 2009 5 -5.91734e-02 2.46202e-03 64 2009 6 nan nan 0 2009 7 2.88930e-03 2.68706e-02 88 2009 8 1.26435e-02 8.10954e-04 64 2009 9 1.10323e-02 1.82869e-02 353 2009 10 9.15761e-03 1.19177e-02 471 2009 11 1.37276e-02 2.50720e-03 563 2009 12 1.32669e-02 2.81947e-02 203 2010 1 1.66552e-02 4.16514e-03 501 2010 2 -8.39750e-04 2.56023e-02 411 2010 3 8.71653e-03 1.52799e-02 403 2010 4 1.56044e-02 2.26350e-03 121 2010 5 1.27933e-02 1.65484e-03 118 2010 6 1.59184e-02 8.88738e-03 233 2010 7 -9.04110e-02 1.77494e-02 90 2010 8 -5.05024e-02 5.53470e-02 307 2010 9 1.71906e-02 1.22337e-02 214 2010 10 2.00755e-04 2.66632e-02 508 2010 11 1.76295e-02 1.35810e-02 242 2010 12 7.97547e-03 2.24795e-02 387 2011 1 1.54501e-02 3.76723e-03 669 2011 2 3.87610e-03 2.12897e-02 568 2011 3 6.65190e-03 1.98117e-02 359 2011 4 8.84304e-03 1.68948e-02 354 2011 5 1.53993e-02 1.93768e-03 66 2011 6 9.46200e-03 7.80678e-04 14 2011 7 1.91913e-02 1.76821e-03 52 2011 8 1.77997e-02 2.23580e-03 128 2011 9 1.47508e-02 2.58610e-03 309 2011 10 1.42881e-02 2.88521e-03 209 2011 11 1.31708e-02 3.29332e-03 493 2011 12 1.34031e-02 7.12247e-03 734 2012 1 1.34765e-02 3.12516e-03 615 2012 2 1.36247e-02 6.43076e-03 566 2012 3 1.40209e-02 1.01220e-02 93 2012 4 1.05757e-02 2.18753e-03 211 2012 5 1.23520e-02 2.29136e-03 187 2012 6 -1.24405e-02 4.27170e-02 195 2012 7 1.88029e-02 6.66275e-04 15 2012 8 1.51158e-02 2.86391e-03 64 2012 9 1.02143e-02 2.02371e-02 442 2012 10 1.26184e-02 2.31376e-03 286 2012 11 1.18214e-02 5.36589e-03 579 2012 12 1.46255e-02 5.35218e-03 431 2013 1 1.18707e-02 1.27282e-02 414 2013 2 7.59922e-03 1.73109e-02 839 2013 3 1.10604e-02 6.68135e-03 558 2013 4 9.96930e-03 8.20490e-03 224 2013 5 1.39329e-02 3.96211e-03 115 2013 6 nan nan 0 2013 7 -6.27802e-04 3.59764e-02 130 2013 8 2.59549e-02 7.16326e-03 164 2013 9 2.61264e-03 2.84835e-02 262 2013 10 1.73530e-02 2.23303e-03 268 2013 11 1.87234e-02 4.51181e-03 349 2013 12 2.04630e-02 4.60871e-03 614 2014 1 1.59255e-02 3.26746e-03 573 2014 2 1.46358e-02 8.04437e-03 487 2014 3 7.83662e-03 1.01364e-02 694 2014 4 1.40562e-02 1.85291e-03 128 2014 5 1.24553e-02 2.29954e-03 252 2014 6 1.02067e-02 1.40332e-03 128 2014 7 1.12194e-02 8.75409e-04 58 2014 8 1.29696e-02 6.97748e-04 94 2014 9 1.51368e-02 3.50533e-03 211 2014 10 1.16387e-02 4.91689e-03 336 2014 11 1.14644e-02 7.01948e-03 562 2014 12 1.34333e-02 3.93533e-03 458 2015 1 1.53645e-02 4.36800e-03 689 2015 2 1.06384e-02 1.03965e-02 633 2015 3 1.02364e-02 1.11283e-02 395 2015 4 1.06056e-02 1.60479e-03 256 2015 5 1.57297e-02 1.54268e-03 64 2015 6 1.15320e-02 1.54728e-03 187 2015 7 2.02700e-02 2.00948e-03 64 2015 8 1.34202e-02 1.70626e-03 394 2015 9 1.15237e-02 1.67051e-03 365 2015 10 1.26230e-02 1.83326e-03 334 2015 11 1.52855e-02 5.02518e-03 393 2015 12 1.58596e-02 3.21263e-03 594 2016 1 1.82209e-02 5.65929e-03 498 2016 2 5.02620e-03 2.01583e-02 666 2016 3 1.16461e-02 2.12687e-03 237 2016 4 1.23100e-02 1.38340e-02 384 2016 5 1.47609e-02 8.90344e-04 65 2016 6 1.25750e-02 1.74898e-03 89 2016 7 1.82036e-02 1.08812e-02 226 2016 8 7.98955e-03 1.50303e-02 261 2016 9 9.61048e-03 8.19737e-03 607 2016 10 1.11503e-02 1.14197e-02 230 2016 11 1.55776e-02 4.86729e-03 170 2016 12 1.64515e-02 3.38161e-03 519 2017 1 1.47120e-02 7.72386e-03 635 2017 2 4.63898e-03 1.98432e-02 742 2017 3 1.18777e-02 5.38481e-03 413 2017 4 1.22714e-02 2.60849e-03 388 2017 5 1.24364e-02 2.07328e-03 176 2017 6 1.03393e-02 1.18101e-02 138 2017 7 7.69734e-03 3.72889e-02 120 2017 8 2.30101e-02 2.89078e-02 128 2017 9 1.71339e-02 5.50034e-03 92 2017 10 1.72612e-02 2.39316e-03 212 2017 11 5.73540e-03 3.00483e-02 417 2017 12 1.68594e-02 3.65545e-03 377 2018 1 1.44321e-02 3.98788e-03 721 2018 2 1.47603e-02 2.32792e-03 546 2018 3 -2.44548e-03 2.26474e-02 519 2018 4 1.39229e-02 3.11897e-03 281 2018 5 2.13380e-02 4.24707e-03 288 2018 6 -5.06593e-02 5.34262e-02 97 2018 7 1.46748e-02 1.33306e-03 64 2018 8 1.73749e-02 3.82118e-03 208 2018 9 -3.74221e-03 2.39307e-02 196 2018 10 -1.29505e-02 4.79788e-02 677 2018 11 9.98092e-03 2.33007e-02 528 2018 12 1.63689e-02 3.69552e-03 506 2019 1 1.60306e-02 7.84284e-03 697 2019 2 1.37469e-02 1.02424e-02 520 2019 3 7.97132e-03 3.36705e-02 393 2019 4 1.24286e-02 5.70651e-03 414 2019 5 nan nan 0 2019 6 1.19819e-02 1.84276e-02 252 2019 7 7.07257e-03 1.62172e-02 214 2019 8 1.50513e-02 1.64144e-03 138 2019 9 -5.14203e-03 2.47493e-02 185 2019 10 1.56991e-02 4.33368e-03 618 2019 11 1.24259e-02 5.32540e-03 597 2019 12 1.14309e-02 3.55122e-03 893 2020 1 1.32312e-02 3.14281e-03 240 2020 2 1.11602e-02 9.76948e-03 617 2020 3 5.81289e-03 1.69244e-02 492 2020 4 -4.96112e-04 6.88572e-02 470 2020 5 1.08060e-02 1.32926e-03 58 2020 6 1.10005e-02 4.84749e-03 327 2020 7 5.98086e-03 1.52112e-02 180 2020 8 1.26623e-02 1.74126e-03 143 2020 9 1.54551e-02 1.39217e-02 208 2020 10 1.39750e-02 3.67571e-03 369 2020 11 1.12666e-02 3.98875e-02 361 2020 12 1.35260e-02 7.21425e-03 591 2021 1 1.28217e-02 4.01794e-03 462 2021 2 1.96848e-03 2.09398e-02 489 2021 3 1.28396e-02 2.34941e-03 512 2021 4 1.24386e-02 1.92318e-03 414 2021 5 1.06769e-02 1.74019e-03 219 2021 6 2.12305e-02 8.14600e-04 32 2021 7 2.25721e-02 8.58662e-03 281 2021 8 1.61272e-02 7.47398e-03 232 2021 9 5.92860e-03 2.33970e-02 450 2021 10 9.43627e-03 2.27060e-02 171 2021 11 1.60988e-02 4.55102e-03 545 2021 12 7.93808e-03 1.99361e-02 662 2022 1 1.19962e-02 3.60966e-03 706 2022 2 1.07746e-02 2.00049e-03 412 2022 3 1.05211e-02 2.55795e-03 176 2022 4 1.31684e-02 2.01697e-03 120 2022 5 1.20571e-02 1.90930e-03 128 2022 6 1.13768e-02 2.86645e-03 429 2022 7 1.67774e-02 7.18722e-03 150 2022 8 1.55026e-02 2.81647e-03 273 2022 9 1.14083e-02 1.99617e-03 339 2022 10 2.63082e-02 1.09518e-02 245 2022 11 1.36023e-02 5.08368e-03 675 2022 12 1.52251e-02 3.61782e-03 1081 2023 1 1.29315e-02 1.38565e-02 966 2023 2 9.15402e-03 3.46465e-03 645 2023 3 8.33689e-03 2.19697e-03 717 2023 4 7.29110e-03 1.80056e-03 568 2023 5 6.43694e-03 1.20192e-03 415 2023 6 1.11085e-02 5.03273e-03 425 2023 7 1.02954e-02 1.45489e-03 64 2023 8 1.03683e-02 2.32902e-03 309 2023 9 9.49126e-03 6.22998e-03 409 2023 10 8.99858e-03 2.35897e-03 202 2023 11 1.54523e-02 4.07186e-03 450 2023 12 1.36539e-02 3.40355e-03 522 2024 1 1.27824e-02 2.40283e-03 526 2024 2 1.28831e-02 3.51866e-03 524 2024 3 8.50044e-03 1.91281e-03 526 2024 4 8.47340e-03 1.62995e-03 15