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 3.72249e-02 4.47441e-03 281
2002  8 3.51492e-02 2.23357e-03 256
2002  9 3.76000e-02 2.67868e-03 389
2002 10 3.74838e-02 2.89021e-03 909
2002 11 4.08179e-02 2.67787e-03 513
2002 12 5.01622e-02 3.25356e-02 783
2003  1 5.05319e-02 5.57853e-03 640
2003  2 4.77161e-02 3.11109e-03 398
2003  3 4.79532e-02 1.07548e-02 671
2003  4 3.77253e-02 2.17051e-03 447
2003  5 3.73673e-02 2.66030e-03 373
2003  6 4.18302e-02 2.12840e-03 258
2003  7 3.63111e-02 3.98557e-03 126
2003  8 4.73484e-02 5.58738e-03 403
2003  9 4.21771e-02 6.14870e-03 384
2003 10 4.57651e-02 4.07967e-03 653
2003 11 4.28118e-02 9.13822e-03 408
2003 12 5.17129e-02 6.49580e-03 528
2004  1 4.78024e-02 5.95521e-03 672
2004  2 4.59840e-02 6.40262e-03 576
2004  3 3.89219e-02 3.52851e-03 707
2004  4 3.80344e-02 6.42394e-03 407
2004  5 3.80381e-02 5.67405e-03 268
2004  6 3.71716e-02 4.59549e-03 640
2004  7 3.47491e-02 8.66087e-03 409
2004  8 3.87160e-02 2.04303e-03 512
2004  9 4.22242e-02 6.97943e-03 487
2004 10 3.99033e-02 7.22368e-03 546
2004 11 4.21962e-02 2.94297e-03 260
2004 12 4.33918e-02 6.89806e-03 586
2005  1 4.48075e-02 4.12354e-03 718
2005  2 4.45094e-02 3.13570e-03 448
2005  3 5.06000e-02 2.03377e-02 486
2005  4 3.82415e-02 2.35394e-03 448
2005  5 3.92259e-02 4.88752e-03 518
2005  6 3.37130e-02 4.68216e-03 299
2005  7 3.23740e-02 5.98792e-03 262
2005  8 4.16034e-02 1.27408e-02 536
2005  9 4.28583e-02 1.22741e-02 655
2005 10 4.53658e-02 1.51828e-02 439
2005 11 5.05012e-02 8.74306e-03 725
2005 12 6.54791e-02 2.04596e-02 847
2006  1 5.85952e-02 1.54730e-02 582
2006  2 4.87626e-02 9.92609e-03 867
2006  3 4.48802e-02 9.38376e-03 733
2006  4 3.56383e-02 2.56896e-03 763
2006  5 3.57828e-02 4.14414e-03 512
2006  6 3.81466e-02 7.55137e-03 371
2006  7 3.79869e-02 3.95842e-03 245
2006  8 4.21541e-02 1.00276e-02 209
2006  9 4.64105e-02 1.19987e-02 512
2006 10 3.82150e-02 4.86542e-03 481
2006 11 4.28372e-02 3.31121e-03 532
2006 12 3.89552e-02 5.09673e-03 58
2007  1 4.15489e-02 3.46053e-03 650
2007  2 4.41315e-02 3.46635e-03 534
2007  3 4.45080e-02 4.81088e-03 289
2007  4 3.79311e-02 1.22236e-03 514
2007  5 3.46551e-02 3.24255e-03 294
2007  6 3.54556e-02 3.48679e-03 504
2007  7 3.58600e-02 3.13144e-03 463
2007  8 4.52824e-02 7.75172e-03 330
2007  9 4.27503e-02 6.21498e-03 435
2007 10 3.93211e-02 2.48090e-03 327
2007 11 4.36671e-02 3.03767e-03 847
2007 12 4.29283e-02 4.27668e-03 435
2008  1 4.38953e-02 2.29696e-03 470
2008  2 4.22623e-02 3.49005e-03 485
2008  3 4.68463e-02 1.23226e-02 380
2008  4 3.78016e-02 4.79439e-03 374
2008  5 3.59804e-02 2.67397e-03 367
2008  6 3.43202e-02 4.51885e-03 431
2008  7 3.79144e-02 9.09984e-03 208
2008  8 3.47884e-02 7.16082e-03 361
2008  9 4.10261e-02 8.22900e-03 444
2008 10 3.97256e-02 7.19902e-03 398
2008 11 4.26699e-02 4.66345e-03 664
2008 12 4.45557e-02 5.50201e-03 469
2009  1 5.08879e-02 1.69421e-02 701
2009  2 4.54797e-02 1.12372e-02 444
2009  3 3.98248e-02 4.02463e-03 509
2009  4 4.44062e-02 9.05893e-03 516
2009  5 3.48309e-02 3.72918e-03 343
2009  6 4.02263e-02 3.69447e-03 449
2009  7 3.72219e-02 3.06442e-03 320
2009  8 3.70991e-02 8.30502e-03 422
2009  9 4.17000e-02 1.75829e-02 432
2009 10 3.94702e-02 1.65092e-02 709
2009 11 4.18072e-02 6.43197e-03 613
2009 12 4.28344e-02 5.42672e-03 448
2010  1 4.80397e-02 5.28140e-03 640
2010  2 5.07254e-02 3.27468e-03 523
2010  3 5.58329e-02 9.28580e-03 474
2010  4 4.16779e-02 4.00633e-03 385
2010  5 3.51817e-02 1.83277e-03 449
2010  6 3.47736e-02 2.75554e-03 607
2010  7 3.69086e-02 2.35536e-03 256
2010  8 3.78617e-02 3.74785e-03 256
2010  9 4.15876e-02 3.02032e-03 210
2010 10 4.15821e-02 2.22005e-02 691
2010 11 4.17080e-02 4.38565e-03 613
2010 12 4.86663e-02 8.53495e-03 908
2011  1 5.46094e-02 2.07365e-02 555
2011  2 5.06078e-02 1.94127e-02 798
2011  3 4.24978e-02 6.11932e-03 740
2011  4 4.02112e-02 6.95069e-03 518
2011  5 4.46133e-02 5.50520e-02 510
2011  6 3.46509e-02 1.45137e-03 428
2011  7 3.62149e-02 3.49679e-03 416
2011  8 4.75564e-02 1.65444e-02 211
2011  9 4.07614e-02 4.16389e-03 492
2011 10 1.08642e-01 3.30423e-01 158
2011 11 4.31642e-02 6.91618e-03 369
2011 12 4.47706e-02 5.39224e-03 741
2012  1 4.91631e-02 8.23397e-03 888
2012  2 4.13026e-02 3.10520e-03 347
2012  3 3.64911e-02 1.22085e-02 257
2012  4 3.92493e-02 6.37079e-03 572
2012  5 3.77344e-02 1.75389e-03 378
2012  6 3.77795e-02 5.89433e-03 312
2012  7 3.98882e-02 3.37455e-03 347
2012  8 3.66668e-02 4.10530e-03 479
2012  9 4.43719e-02 3.10777e-02 463
2012 10 3.91331e-02 3.43607e-03 359
2012 11 4.39801e-02 4.58622e-03 654
2012 12 4.20248e-02 5.17715e-03 330
2013  1 3.92214e-02 4.94580e-03 290
2013  2 4.09550e-02 3.13891e-03 666
2013  3 3.97678e-02 3.14686e-03 565
2013  4 4.05283e-02 5.60615e-03 276
2013  5 3.54569e-02 2.42248e-03 288
2013  6 4.06464e-02 5.56640e-03 181
2013  7 3.65924e-02 3.31804e-03 317
2013  8 4.08642e-02 4.23279e-03 243
2013  9 4.17100e-02 5.65403e-03 478
2013 10 4.12854e-02 3.81424e-03 611
2013 11 3.89566e-02 4.94911e-03 350
2013 12 4.15347e-02 2.11014e-03 337
2014  1 4.47513e-02 3.38111e-03 599
2014  2 3.95343e-02 6.17495e-03 642
2014  3 4.20839e-02 1.17064e-02 615
2014  4 3.97726e-02 6.00275e-03 446
2014  5 3.39723e-02 2.01490e-03 173
2014  6 3.56439e-02 5.70334e-03 465
2014  7 3.50509e-02 4.43606e-03 448
2014  8 4.44065e-02 1.04972e-02 495
2014  9 4.19075e-02 2.46481e-03 240
2014 10 4.66744e-02 5.34998e-03 653
2014 11 5.02594e-02 6.70700e-03 724
2014 12 4.56291e-02 5.86509e-03 378
2015  1 4.49650e-02 2.80501e-02 680
2015  2 4.51145e-02 4.40481e-03 765
2015  3 3.95022e-02 3.94047e-03 933
2015  4 3.80081e-02 3.14980e-03 248
2015  5 3.44704e-02 2.65424e-03 832
2015  6 3.49396e-02 2.23577e-03 487
2015  7 4.08725e-02 1.58502e-02 345
2015  8 4.96264e-02 9.95031e-03 644
2015  9 4.88844e-02 2.91001e-03 441
2015 10 4.54196e-02 3.95229e-03 296
2015 11 5.20045e-02 2.62328e-02 399
2015 12 4.63626e-02 8.87005e-03 353
2016  1 4.71858e-02 9.92740e-03 197
2016  2 5.58887e-02 2.20730e-02 640
2016  3 4.11161e-02 2.90354e-03 384
2016  4 3.75186e-02 2.12533e-03 526
2016  5 4.00332e-02 3.52865e-03 253
2016  6 4.28613e-02 7.61842e-03 372
2016  7 3.54906e-02 3.74492e-03 512
2016  8 3.83351e-02 3.46349e-03 345
2016  9 4.44888e-02 8.77569e-03 527
2016 10 4.55880e-02 1.10574e-02 349
2016 11 5.72326e-02 1.78997e-01 380
2016 12 4.73993e-02 5.07836e-03 273
2017  1 5.04217e-02 3.51966e-03 323
2017  2 4.26859e-02 4.67570e-03 726
2017  3 3.70091e-02 3.67764e-03 486
2017  4 4.15753e-02 5.39049e-03 227
2017  5 3.87897e-02 2.03804e-02 503
2017  6 3.58654e-02 2.39423e-03 318
2017  7 3.81910e-02 2.69565e-03 311
2017  8 4.29947e-02 4.90269e-03 263
2017  9 5.01490e-02 1.16541e-02 576
2017 10 4.67885e-02 1.07449e-02 471
2017 11 5.26393e-02 1.36168e-02 545
2017 12 4.34628e-02 5.41300e-03 802
2018  1 5.14759e-02 5.18963e-02 643
2018  2 4.52524e-02 6.14743e-03 653
2018  3 4.28091e-02 5.42644e-03 788
2018  4 3.53814e-02 3.29906e-03 593
2018  5 3.67781e-02 8.17861e-04 64
2018  6 1.18752e-01 6.71615e-02 42
2018  7 3.84242e-02 4.90457e-03 454
2018  8 3.98526e-02 1.16238e-02 342
2018  9 5.08621e-02 2.26521e-02 570
2018 10 4.62626e-02 1.26271e-02 508
2018 11 5.06515e-02 1.10342e-02 307
2018 12 4.66340e-02 5.21143e-03 605
2019  1 4.77306e-02 3.88504e-03 536
2019  2 4.65490e-02 2.14855e-02 890
2019  3 3.86284e-02 3.92297e-03 719
2019  4 3.86525e-02 3.44800e-03 647
2019  5 3.82784e-02 8.52331e-03 296
2019  6 3.33013e-02 3.27376e-03 448
2019  7 3.41113e-02 3.81648e-03 406
2019  8 4.09857e-02 2.83832e-03 448
2019  9 5.16345e-02 4.50416e-02 452
2019 10 3.96727e-02 2.11797e-03 506
2019 11 4.09598e-02 3.56598e-03 727
2019 12 4.58888e-02 3.73442e-03 464
2020  1 4.42531e-02 2.43347e-03 941
2020  2 4.37202e-02 2.65249e-03 461
2020  3 3.98709e-02 3.99964e-03 680
2020  4 3.78804e-02 2.60177e-03 388
2020  5 3.57291e-02 3.49666e-03 519
2020  6 3.44383e-02 2.43861e-03 287
2020  7 3.66796e-02 1.62543e-02 357
2020  8 3.56593e-02 3.02072e-03 685
2020  9 3.57340e-02 4.58686e-03 318
2020 10 3.86917e-02 4.23241e-03 447
2020 11 4.27793e-02 3.04729e-03 319
2020 12 4.81462e-02 5.90490e-03 528
2021  1 4.41713e-02 2.53214e-03 704
2021  2 4.76292e-02 5.79457e-03 472
2021  3 3.89342e-02 7.84026e-03 821
2021  4 3.68165e-02 4.06646e-03 351
2021  5 3.41745e-02 3.46965e-03 329
2021  6 3.80707e-02 5.59869e-03 198
2021  7 3.82061e-02 9.81578e-03 491
2021  8 3.95416e-02 4.02612e-03 298
2021  9 4.27115e-02 5.74497e-03 425
2021 10 5.50510e-02 9.80659e-03 463
2021 11 5.18289e-02 1.08968e-02 657
2021 12 4.25615e-02 3.44976e-03 800
2022  1 4.31446e-02 4.77523e-03 560
2022  2 4.10803e-02 4.59184e-03 575
2022  3 3.91245e-02 3.68652e-03 384
2022  4 3.59608e-02 2.95312e-03 194
2022  5 3.49489e-02 2.41730e-03 709
2022  6 3.67282e-02 5.45997e-03 323
2022  7 5.52009e-02 4.96668e-02 228
2022  8 4.23657e-02 2.84302e-02 664
2022  9 5.81301e-02 1.04006e-02 598
2022 10 4.70676e-02 1.22342e-02 550
2022 11 4.01351e-02 2.29029e-03 441
2022 12 5.31615e-02 8.88594e-02 535
2023  1 5.09474e-02 1.89908e-02 582
2023  2 3.85332e-02 1.79013e-02 710
2023  3 3.61596e-02 3.17013e-03 689
2023  4 3.31875e-02 3.21455e-03 574
2023  5 3.32113e-02 4.17584e-03 513
2023  6 3.74550e-02 4.72385e-03 527
2023  7 5.19809e-02 2.59122e-02 388
2023  8 4.13862e-02 1.24403e-02 347
2023  9 5.80936e-02 5.52071e-02 487
2023 10 5.10211e-02 1.79818e-02 474
2023 11 4.65821e-02 1.32824e-02 515
2023 12 5.02630e-02 2.36228e-03 184
2024  1 4.20836e-02 2.21283e-03 256
2024  2 4.32128e-02 4.63073e-03 439
2024  3 4.44620e-02 3.59995e-03 368
2024  4 nan nan 0