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 4.71392e-02 1.25995e-03 30
2002  8 6.09993e-02 5.09323e-03 284
2002  9 6.21369e-02 5.68994e-03 170
2002 10 6.49255e-02 1.00008e-02 311
2002 11 5.83491e-02 7.36333e-03 938
2002 12 5.86372e-02 1.31675e-02 740
2003  1 5.95806e-02 1.78999e-02 922
2003  2 4.67022e-02 6.34000e-03 502
2003  3 4.39855e-02 5.22617e-03 539
2003  4 5.31844e-02 6.53833e-03 61
2003  5 4.21149e-02 6.10181e-03 218
2003  6 5.00822e-02 3.89361e-03 64
2003  7 4.90995e-02 1.58603e-03 64
2003  8 4.33484e-02 3.85952e-03 192
2003  9 5.41026e-02 8.30444e-03 175
2003 10 5.11637e-02 7.21733e-03 544
2003 11 8.24401e-02 1.46029e-02 338
2003 12 7.06042e-02 2.44399e-02 476
2004  1 5.19748e-02 8.47265e-03 582
2004  2 5.45121e-02 1.40792e-02 475
2004  3 5.53098e-02 1.27639e-02 486
2004  4 4.59750e-02 7.01828e-03 421
2004  5 4.40726e-02 4.90891e-03 123
2004  6 4.15035e-02 7.73485e-03 320
2004  7 4.88881e-02 7.24769e-03 240
2004  8 4.29471e-02 3.22671e-03 130
2004  9 7.27817e-02 1.75739e-02 178
2004 10 6.75610e-02 1.19197e-02 217
2004 11 5.23931e-02 5.62489e-03 417
2004 12 5.55677e-02 6.55310e-03 658
2005  1 7.61986e-02 2.59145e-02 350
2005  2 1.27204e-01 7.72524e-02 415
2005  3 4.42784e-02 8.40669e-03 706
2005  4 4.63863e-02 6.03975e-03 345
2005  5 nan nan 0
2005  6 4.25477e-02 1.98300e-03 64
2005  7 5.83709e-02 3.33208e-03 130
2005  8 5.61141e-02 7.47093e-03 314
2005  9 5.26827e-02 5.74996e-03 307
2005 10 5.23205e-02 3.42270e-03 105
2005 11 6.67146e-02 1.09708e-02 637
2005 12 6.20720e-02 1.77054e-02 611
2006  1 5.81211e-02 2.19410e-02 515
2006  2 4.85647e-02 8.32297e-03 776
2006  3 5.65046e-02 1.19511e-02 694
2006  4 5.54109e-02 7.36626e-03 128
2006  5 4.99528e-02 7.43745e-03 192
2006  6 4.22357e-02 7.74323e-03 182
2006  7 5.67563e-02 4.51661e-03 334
2006  8 4.67488e-02 6.17447e-03 192
2006  9 5.65447e-02 7.08351e-03 553
2006 10 6.08937e-02 9.66954e-03 379
2006 11 5.21423e-02 5.97436e-03 633
2006 12 5.88290e-02 6.73683e-03 712
2007  1 5.72697e-02 1.24709e-02 679
2007  2 5.16005e-02 1.04659e-02 951
2007  3 4.39369e-02 6.09700e-03 408
2007  4 5.09232e-02 1.06994e-02 292
2007  5 5.07859e-02 8.57201e-03 220
2007  6 6.25638e-02 1.08165e-03 5
2007  7 5.42599e-02 8.56730e-03 235
2007  8 7.65184e-02 2.25339e-02 88
2007  9 5.58807e-02 5.57272e-03 179
2007 10 5.06531e-02 8.10852e-03 335
2007 11 7.89099e-02 3.31106e-02 472
2007 12 5.54481e-02 8.06413e-03 568
2008  1 6.32787e-02 1.23493e-02 655
2008  2 5.04404e-02 7.73994e-03 682
2008  3 4.29381e-02 5.46256e-03 317
2008  4 5.08103e-02 3.27326e-02 448
2008  5 4.38444e-02 5.15477e-03 432
2008  6 4.78189e-02 4.19772e-03 139
2008  7 4.32615e-02 6.32828e-03 339
2008  8 4.78681e-02 7.66649e-03 211
2008  9 5.80094e-02 2.35325e-02 393
2008 10 5.70083e-02 9.51931e-03 378
2008 11 5.33027e-02 6.86789e-03 867
2008 12 6.17015e-02 1.84521e-02 423
2009  1 4.93733e-02 7.89997e-03 1072
2009  2 5.51562e-02 1.52256e-02 372
2009  3 6.94740e-02 1.96176e-02 303
2009  4 6.94376e-02 3.88664e-02 571
2009  5 6.42209e-02 6.38033e-03 195
2009  6 6.05985e-02 8.49878e-03 81
2009  7 4.82211e-02 3.90247e-03 192
2009  8 4.83829e-02 6.34936e-03 192
2009  9 5.07562e-02 6.28038e-03 451
2009 10 5.15255e-02 6.60891e-03 591
2009 11 5.97480e-02 1.21602e-02 645
2009 12 5.96053e-02 7.99509e-03 675
2010  1 8.94427e-02 2.43514e-02 838
2010  2 5.95868e-02 9.66300e-03 489
2010  3 4.31994e-02 5.65573e-03 335
2010  4 4.97306e-02 7.17554e-03 131
2010  5 5.50293e-02 7.84288e-03 192
2010  6 5.35533e-02 6.86532e-03 116
2010  7 7.05636e-02 3.75028e-03 48
2010  8 5.76026e-02 6.41964e-03 218
2010  9 5.34045e-02 8.54393e-03 309
2010 10 5.02299e-02 5.49535e-03 512
2010 11 6.72174e-02 6.24777e-03 373
2010 12 7.80698e-02 2.27501e-02 549
2011  1 5.10037e-02 7.94286e-03 674
2011  2 5.37358e-02 1.56124e-02 644
2011  3 4.78931e-02 5.03501e-03 657
2011  4 4.19801e-02 7.51253e-03 345
2011  5 4.93368e-02 5.83042e-03 128
2011  6 5.57276e-02 2.71899e-03 64
2011  7 nan nan 0
2011  8 5.01785e-02 1.00423e-02 190
2011  9 5.45593e-02 9.98593e-03 304
2011 10 5.03261e-02 6.76214e-03 436
2011 11 6.70644e-02 1.26514e-02 340
2011 12 6.20781e-02 1.00376e-02 470
2012  1 5.13477e-02 6.49398e-03 635
2012  2 5.05827e-02 9.64395e-03 588
2012  3 4.64208e-02 1.38445e-02 200
2012  4 4.71789e-02 6.62423e-03 134
2012  5 4.03909e-02 1.14062e-02 145
2012  6 3.76928e-02 5.44086e-03 245
2012  7 3.99194e-02 8.98995e-03 128
2012  8 4.45863e-02 9.49427e-03 192
2012  9 5.93155e-02 6.43497e-03 356
2012 10 5.32488e-02 9.69701e-03 399
2012 11 5.94076e-02 4.82039e-03 523
2012 12 7.52968e-02 3.79707e-02 405
2013  1 7.56149e-02 2.35691e-02 474
2013  2 6.50033e-02 1.55438e-02 839
2013  3 7.53991e-02 3.12409e-02 529
2013  4 4.27858e-02 6.95858e-03 399
2013  5 4.33829e-02 1.30908e-02 137
2013  6 nan nan 0
2013  7 4.88662e-02 3.57640e-03 101
2013  8 4.81345e-02 4.05568e-03 192
2013  9 6.83216e-02 1.29947e-01 179
2013 10 6.03499e-02 5.28297e-03 180
2013 11 7.06078e-02 1.49530e-02 648
2013 12 6.64343e-02 2.09609e-02 532
2014  1 5.60818e-02 8.12103e-03 805
2014  2 4.69866e-02 7.89071e-03 818
2014  3 4.99097e-02 1.42871e-02 737
2014  4 4.88651e-02 1.42529e-02 409
2014  5 4.24446e-02 4.89844e-03 192
2014  6 4.47740e-02 1.14653e-02 216
2014  7 4.84306e-02 5.19509e-03 99
2014  8 4.39093e-02 6.32452e-03 187
2014  9 5.17764e-02 8.83731e-03 369
2014 10 6.40645e-02 8.26506e-03 502
2014 11 6.05066e-02 1.53887e-02 571
2014 12 6.03952e-02 1.55198e-02 745
2015  1 5.54428e-02 7.90803e-02 632
2015  2 6.87416e-02 2.04950e-02 562
2015  3 4.48769e-02 7.60498e-03 452
2015  4 4.51435e-02 1.93916e-02 531
2015  5 4.87712e-02 6.33040e-03 192
2015  6 4.63396e-02 9.44799e-03 192
2015  7 5.01613e-02 1.25647e-03 64
2015  8 5.05142e-02 4.52948e-03 373
2015  9 5.08285e-02 7.50116e-03 429
2015 10 6.11524e-02 1.07400e-02 434
2015 11 5.63954e-02 8.86656e-03 273
2015 12 5.19543e-02 6.11409e-03 768
2016  1 6.47320e-02 2.13188e-02 678
2016  2 5.20342e-02 9.23775e-03 597
2016  3 5.12373e-02 1.36699e-02 341
2016  4 4.20410e-02 5.44243e-03 448
2016  5 4.57764e-02 6.04677e-03 70
2016  6 3.80268e-02 4.62928e-03 256
2016  7 4.21573e-02 2.68383e-03 123
2016  8 5.87849e-02 3.80057e-02 172
2016  9 5.29087e-02 2.57012e-02 403
2016 10 8.11293e-02 1.01732e-02 344
2016 11 7.80043e-02 1.56572e-02 243
2016 12 6.02861e-02 2.15451e-02 438
2017  1 7.72211e-02 4.04037e-02 661
2017  2 5.58840e-02 7.53814e-03 585
2017  3 5.73970e-02 2.11946e-02 406
2017  4 5.14900e-02 9.44266e-03 359
2017  5 4.09715e-02 6.11878e-03 270
2017  6 4.57584e-02 6.26026e-03 387
2017  7 5.08246e-02 5.96351e-03 267
2017  8 6.80755e-02 2.45284e-04 9
2017  9 7.95496e-02 1.66780e-02 249
2017 10 6.53378e-02 1.24757e-02 409
2017 11 6.66103e-02 1.14906e-02 532
2017 12 6.30892e-02 1.59139e-02 371
2018  1 5.97445e-02 1.22248e-02 361
2018  2 4.93178e-02 1.00041e-02 349
2018  3 6.64827e-02 2.60874e-02 618
2018  4 4.27864e-02 6.47802e-03 394
2018  5 4.50599e-02 5.63166e-03 495
2018  6 4.56044e-02 3.73030e-03 221
2018  7 4.83912e-02 4.25881e-03 64
2018  8 4.36449e-02 7.23462e-03 230
2018  9 5.70268e-02 8.64569e-03 256
2018 10 6.56345e-02 1.40876e-02 446
2018 11 6.92600e-02 4.22123e-02 478
2018 12 5.51759e-02 8.80001e-03 702
2019  1 5.44002e-02 1.74835e-02 646
2019  2 4.93058e-02 4.35486e-03 321
2019  3 4.19526e-02 6.26613e-03 613
2019  4 4.31088e-02 6.29720e-03 446
2019  5 4.55629e-02 7.43276e-03 137
2019  6 4.44978e-02 7.15733e-03 256
2019  7 4.33280e-02 2.89257e-03 230
2019  8 5.15291e-02 6.51592e-03 256
2019  9 5.87643e-02 1.26255e-02 213
2019 10 5.49473e-02 7.01514e-03 384
2019 11 7.15569e-02 1.44571e-02 820
2019 12 7.40254e-02 1.49501e-02 394
2020  1 8.38860e-02 4.75456e-02 481
2020  2 5.16599e-02 7.90742e-03 822
2020  3 5.16583e-02 8.79914e-03 320
2020  4 4.15123e-02 1.16817e-02 671
2020  5 4.12305e-02 4.47439e-03 192
2020  6 4.33138e-02 5.71491e-03 393
2020  7 4.41659e-02 4.06782e-03 256
2020  8 5.11119e-02 2.17277e-02 198
2020  9 5.29811e-02 8.39491e-03 303
2020 10 5.50070e-02 1.01318e-02 435
2020 11 5.41720e-02 8.65363e-03 667
2020 12 5.69311e-02 6.07239e-03 656
2021  1 5.83212e-02 9.93407e-03 771
2021  2 6.02110e-02 2.25700e-02 529
2021  3 4.35977e-02 6.84563e-03 621
2021  4 4.28382e-02 8.47704e-03 404
2021  5 4.33967e-02 6.25441e-03 189
2021  6 6.99819e-02 7.75892e-03 157
2021  7 5.06545e-02 1.17344e-02 142
2021  8 4.80581e-02 4.54212e-03 258
2021  9 5.88051e-02 1.74211e-02 486
2021 10 5.35241e-02 7.30343e-03 434
2021 11 6.59463e-02 1.06388e-02 707
2021 12 5.90233e-02 1.48274e-02 603
2022  1 5.39538e-02 9.42179e-03 1008
2022  2 4.84983e-02 8.23637e-03 346
2022  3 4.15053e-02 6.26518e-03 190
2022  4 4.52531e-02 6.61450e-03 128
2022  5 4.66316e-02 1.40080e-02 152
2022  6 4.16170e-02 5.68017e-03 423
2022  7 4.25590e-02 8.78587e-03 327
2022  8 4.93414e-02 7.92950e-03 256
2022  9 7.35525e-02 2.31082e-02 244
2022 10 5.26108e-02 8.47166e-03 369
2022 11 6.25497e-02 2.49599e-02 473
2022 12 8.46954e-02 2.36724e-02 807
2023  1 5.18596e-02 6.60999e-03 795
2023  2 5.41716e-02 1.00553e-02 331
2023  3 5.74900e-02 1.65918e-02 489
2023  4 4.47580e-02 6.68243e-03 571
2023  5 4.54223e-02 5.74892e-03 547
2023  6 4.36176e-02 5.40073e-03 306
2023  7 6.43706e-02 2.94024e-03 34
2023  8 4.86640e-02 1.38321e-02 322
2023  9 7.47161e-02 2.92020e-02 341
2023 10 5.57510e-02 8.97493e-03 363
2023 11 5.52407e-02 1.25727e-02 482
2023 12 6.19628e-02 1.33653e-02 764
2024  1 5.68860e-02 2.66839e-02 744
2024  2 6.76264e-02 1.84134e-02 705
2024  3 4.32511e-02 6.58514e-03 407
2024  4 5.43556e-02 1.42195e-02 18