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 1.05594e-02 1.11623e-03 254
2002  8 1.87624e-02 4.08177e-03 256
2002  9 5.98193e-03 2.17904e-02 320
2002 10 8.48913e-03 1.30643e-02 373
2002 11 1.11075e-02 1.90250e-03 840
2002 12 6.51889e-03 1.18782e-02 699
2003  1 9.58846e-03 1.19174e-03 951
2003  2 1.06143e-02 1.30519e-03 484
2003  3 6.11286e-03 1.04458e-02 919
2003  4 6.55813e-03 7.22822e-04 175
2003  5 -1.48341e-03 1.37892e-02 256
2003  6 2.28428e-02 4.61003e-04 50
2003  7 1.44357e-02 4.75051e-03 192
2003  8 1.04296e-02 5.48189e-04 154
2003  9 8.38630e-03 6.36753e-04 291
2003 10 1.00831e-02 2.58039e-03 588
2003 11 1.50413e-02 5.28645e-03 208
2003 12 1.00458e-02 1.59630e-03 500
2004  1 1.03115e-02 8.22855e-03 882
2004  2 1.02953e-02 1.05478e-03 660
2004  3 8.02622e-03 2.33454e-03 484
2004  4 8.08827e-03 6.99058e-03 747
2004  5 7.32954e-03 5.72372e-04 65
2004  6 -5.82484e-03 2.35337e-02 185
2004  7 1.19812e-02 4.20445e-04 78
2004  8 1.34334e-02 6.48714e-03 220
2004  9 1.47684e-02 2.05095e-03 192
2004 10 1.80212e-03 2.58455e-02 359
2004 11 9.94204e-03 1.08351e-02 503
2004 12 1.05997e-02 4.71333e-03 591
2005  1 1.14454e-02 3.41171e-03 551
2005  2 1.84420e-02 1.26889e-02 695
2005  3 9.39446e-03 5.29329e-03 831
2005  4 8.48554e-03 9.79338e-04 423
2005  5 1.12197e-02 3.04994e-03 244
2005  6 1.36602e-02 5.12167e-04 64
2005  7 1.61250e-02 4.87575e-03 192
2005  8 1.04095e-02 1.10004e-03 186
2005  9 1.17760e-03 2.67249e-02 460
2005 10 1.02590e-02 7.13913e-04 90
2005 11 1.14168e-02 1.73936e-02 556
2005 12 9.08417e-03 1.66427e-02 654
2006  1 1.14815e-02 6.05785e-03 669
2006  2 1.07096e-02 2.41087e-03 905
2006  3 9.32231e-03 1.43362e-03 522
2006  4 1.11771e-02 3.05399e-03 415
2006  5 9.87219e-03 3.36408e-03 428
2006  6 -8.75848e-03 1.64057e-02 128
2006  7 1.02669e-02 2.72071e-02 291
2006  8 8.93780e-03 2.76108e-03 244
2006  9 1.27467e-02 2.49909e-03 447
2006 10 9.45676e-03 1.10488e-03 436
2006 11 8.75627e-03 5.02193e-03 512
2006 12 1.13911e-02 1.43040e-03 537
2007  1 1.16838e-02 3.32528e-03 841
2007  2 7.14836e-03 1.02845e-02 854
2007  3 -6.56953e-04 1.52422e-02 378
2007  4 9.08855e-03 1.97649e-03 400
2007  5 8.70730e-03 1.67354e-03 152
2007  6 1.10594e-02 1.60968e-03 127
2007  7 1.54144e-02 4.08465e-03 192
2007  8 -1.23330e-02 2.43237e-02 128
2007  9 1.23253e-02 5.12527e-03 200
2007 10 2.94008e-03 1.34939e-02 396
2007 11 1.07292e-02 1.08250e-02 351
2007 12 1.23526e-02 4.76094e-03 563
2008  1 1.34833e-02 3.44488e-03 946
2008  2 5.71572e-03 1.56051e-02 612
2008  3 9.17998e-03 6.23751e-03 527
2008  4 8.95609e-03 2.30221e-03 306
2008  5 9.34022e-03 1.06297e-03 436
2008  6 1.46210e-02 1.29931e-02 192
2008  7 8.65251e-03 4.44207e-04 193
2008  8 9.28926e-03 1.79878e-02 215
2008  9 1.39324e-02 4.22056e-03 250
2008 10 1.00471e-02 2.72729e-03 452
2008 11 9.35405e-03 6.74414e-03 653
2008 12 1.12924e-02 4.95516e-03 532
2009  1 1.02289e-02 6.64793e-03 745
2009  2 1.08251e-02 4.82172e-03 562
2009  3 1.11677e-02 2.37086e-03 383
2009  4 2.43406e-02 1.71859e-02 554
2009  5 1.46987e-02 4.13001e-02 316
2009  6 2.56133e-02 2.90682e-03 80
2009  7 -2.35184e-03 2.22958e-02 366
2009  8 6.72320e-03 1.39176e-02 284
2009  9 1.22904e-02 1.57149e-03 439
2009 10 1.05452e-02 3.76912e-03 573
2009 11 9.47862e-03 3.80441e-03 559
2009 12 1.14272e-02 2.56105e-03 635
2010  1 7.63877e-03 2.13649e-02 582
2010  2 7.26828e-03 1.47204e-02 529
2010  3 4.94369e-03 1.47523e-02 544
2010  4 1.20499e-02 4.25355e-03 257
2010  5 9.35281e-03 9.29464e-04 212
2010  6 9.32143e-03 2.29595e-03 188
2010  7 -7.88410e-02 5.64965e-04 26
2010  8 -4.88669e-03 5.36202e-02 288
2010  9 1.76839e-02 3.16201e-03 275
2010 10 5.69401e-03 1.49428e-02 459
2010 11 -3.11137e-02 4.58271e-02 464
2010 12 7.42892e-03 3.21020e-02 518
2011  1 1.24973e-02 1.89909e-03 805
2011  2 6.37636e-03 1.40063e-02 596
2011  3 1.01247e-02 1.53038e-02 451
2011  4 8.95549e-03 1.98330e-03 522
2011  5 1.27786e-02 7.41583e-03 135
2011  6 1.16471e-02 4.00405e-04 64
2011  7 1.13882e-02 6.82551e-04 126
2011  8 1.51262e-02 1.00712e-02 187
2011  9 1.11229e-02 1.09432e-03 320
2011 10 1.16497e-02 1.37854e-03 360
2011 11 9.70487e-03 2.04956e-03 528
2011 12 9.62595e-03 1.86961e-03 534
2012  1 1.05599e-02 4.17895e-03 826
2012  2 6.52455e-03 9.83612e-03 786
2012  3 9.27200e-03 7.57722e-04 253
2012  4 1.05446e-02 2.75965e-03 270
2012  5 8.87385e-03 6.37886e-04 156
2012  6 -2.65324e-03 1.92793e-02 192
2012  7 1.31254e-02 1.40553e-03 128
2012  8 -1.59053e-02 2.73355e-02 275
2012  9 1.61671e-02 8.90271e-03 318
2012 10 1.76121e-02 4.74228e-03 374
2012 11 9.94061e-03 9.54870e-04 670
2012 12 1.18081e-02 2.04850e-03 688
2013  1 1.41438e-02 6.55033e-03 667
2013  2 1.10178e-03 2.13771e-02 824
2013  3 7.52826e-03 1.96183e-02 512
2013  4 8.67606e-03 1.56593e-03 372
2013  5 -1.79264e-04 1.45968e-02 256
2013  6 nan nan 0
2013  7 4.49116e-03 2.08242e-02 351
2013  8 2.05838e-02 4.20231e-03 279
2013  9 7.11313e-03 2.46816e-02 335
2013 10 1.31805e-02 1.62291e-03 352
2013 11 1.72733e-02 4.32280e-03 531
2013 12 1.66083e-02 5.82361e-03 422
2014  1 1.43979e-02 7.74229e-03 581
2014  2 2.94164e-03 1.73742e-02 743
2014  3 7.82288e-03 6.70747e-03 518
2014  4 7.72852e-03 8.25028e-04 435
2014  5 9.41782e-03 1.26080e-03 317
2014  6 8.31331e-03 7.10243e-04 256
2014  7 -8.74474e-03 1.86341e-02 128
2014  8 1.05505e-02 1.40700e-03 192
2014  9 9.42376e-03 4.28400e-03 250
2014 10 1.49357e-02 1.37363e-02 566
2014 11 1.20844e-02 9.18670e-03 597
2014 12 9.73190e-03 6.16131e-03 777
2015  1 1.02254e-02 4.79844e-03 795
2015  2 1.27511e-02 2.39153e-03 568
2015  3 4.47459e-04 1.59447e-02 698
2015  4 -3.57255e-03 1.54626e-02 352
2015  5 1.01558e-02 2.51853e-03 192
2015  6 -2.99771e-02 9.77285e-03 64
2015  7 1.28258e-02 1.35317e-04 64
2015  8 1.16148e-02 1.05511e-03 390
2015  9 1.07793e-02 9.01716e-04 335
2015 10 9.48874e-03 8.37270e-03 640
2015 11 1.08871e-02 2.93987e-03 400
2015 12 1.26897e-02 4.39886e-03 570
2016  1 1.30014e-02 9.07764e-03 692
2016  2 1.03804e-02 8.24535e-03 661
2016  3 1.05490e-02 3.56829e-03 354
2016  4 6.11484e-03 1.25457e-02 445
2016  5 9.84998e-03 4.46589e-04 153
2016  6 -3.49937e-04 1.72239e-02 256
2016  7 -5.07492e-03 2.60624e-02 192
2016  8 7.61923e-03 8.72735e-03 390
2016  9 8.54867e-03 1.04394e-03 488
2016 10 1.66520e-02 9.70850e-03 224
2016 11 1.35403e-02 2.01659e-03 359
2016 12 7.70199e-03 1.45955e-02 588
2017  1 1.34146e-02 1.22590e-02 624
2017  2 4.00585e-03 1.76790e-02 725
2017  3 4.69235e-03 1.37924e-02 390
2017  4 8.25823e-03 9.41638e-03 395
2017  5 1.17168e-03 1.37536e-02 288
2017  6 7.46243e-03 1.39531e-02 323
2017  7 -2.87104e-02 5.42210e-02 222
2017  8 -2.34294e-02 5.95771e-02 192
2017  9 7.42153e-03 4.77204e-02 177
2017 10 1.02467e-02 1.67220e-02 350
2017 11 1.38801e-02 2.15627e-02 448
2017 12 1.11856e-02 1.16258e-02 592
2018  1 4.13462e-03 1.53611e-02 788
2018  2 9.66521e-03 9.68617e-03 553
2018  3 6.65957e-03 1.47080e-02 594
2018  4 -2.70979e-04 1.45617e-02 490
2018  5 1.01709e-02 9.03137e-03 327
2018  6 -7.55414e-04 3.58540e-02 243
2018  7 1.41489e-02 2.14695e-03 128
2018  8 1.13768e-02 7.54021e-03 372
2018  9 1.52069e-02 4.00518e-03 285
2018 10 -2.20315e-02 4.21375e-02 626
2018 11 -1.03522e-04 3.79300e-02 746
2018 12 1.38000e-02 8.84249e-03 437
2019  1 1.12449e-02 4.68578e-03 617
2019  2 4.71575e-03 2.67437e-02 499
2019  3 6.51215e-03 1.22623e-02 789
2019  4 2.14799e-05 1.52351e-02 451
2019  5 1.32653e-02 9.13679e-04 70
2019  6 -1.65707e-04 1.69714e-02 243
2019  7 7.24788e-03 1.15281e-02 256
2019  8 -1.01909e-02 2.34121e-02 459
2019  9 1.06449e-02 1.10577e-03 248
2019 10 5.68302e-03 1.37498e-02 441
2019 11 8.41841e-03 1.12600e-02 950
2019 12 9.92080e-03 2.40144e-03 704
2020  1 1.17948e-02 3.24536e-03 488
2020  2 7.24754e-03 1.20034e-02 443
2020  3 2.50221e-03 1.45824e-02 342
2020  4 3.60374e-03 1.22105e-02 950
2020  5 8.05138e-03 1.05362e-03 193
2020  6 9.41542e-03 2.08748e-03 523
2020  7 1.13631e-02 1.70158e-03 300
2020  8 9.83391e-03 1.85122e-03 174
2020  9 5.92716e-03 1.20403e-02 320
2020 10 9.11583e-03 1.59956e-03 302
2020 11 1.14743e-02 3.40694e-03 502
2020 12 9.98544e-03 1.02814e-02 952
2021  1 5.69655e-03 1.93896e-02 750
2021  2 -1.05346e-02 5.41552e-02 618
2021  3 4.02875e-03 1.29234e-02 817
2021  4 2.49658e-03 1.62631e-02 514
2021  5 7.81487e-03 1.73894e-03 131
2021  6 3.79975e-02 9.36468e-03 36
2021  7 2.37010e-02 1.33059e-02 128
2021  8 3.86473e-03 1.49864e-02 245
2021  9 1.22860e-02 3.65973e-03 359
2021 10 -2.20992e-03 3.07609e-02 552
2021 11 5.11507e-03 2.64130e-02 879
2021 12 1.04155e-02 2.80358e-03 1014
2022  1 9.96002e-03 2.32238e-03 869
2022  2 9.40601e-03 3.89436e-03 572
2022  3 7.22719e-03 1.47096e-03 472
2022  4 7.78896e-03 3.40446e-04 63
2022  5 1.01969e-02 1.02191e-03 160
2022  6 8.16566e-03 1.13038e-03 375
2022  7 9.32684e-03 1.42697e-03 254
2022  8 1.84104e-02 6.49270e-03 213
2022  9 2.67804e-02 2.34429e-02 193
2022 10 1.18882e-02 2.29559e-03 430
2022 11 1.12286e-02 1.96688e-03 708
2022 12 1.16355e-02 5.96394e-03 818
2023  1 8.53006e-03 2.22471e-03 710
2023  2 7.29984e-03 3.96688e-03 454
2023  3 7.35679e-03 2.02774e-03 929
2023  4 6.79396e-03 1.82625e-03 606
2023  5 6.88034e-03 1.08552e-03 502
2023  6 1.47977e-02 6.34799e-03 248
2023  7 nan nan 0
2023  8 9.61672e-03 2.77685e-03 390
2023  9 8.14421e-03 1.38862e-03 478
2023 10 7.49025e-03 2.49619e-03 469
2023 11 1.13943e-02 1.52353e-03 559
2023 12 1.04101e-02 2.07410e-03 767
2024  1 9.89951e-03 1.79671e-03 544
2024  2 1.14401e-02 3.45631e-03 692
2024  3 7.19707e-03 1.70724e-03 500
2024  4 6.98287e-03 6.81110e-04 64