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 -4.96788e-02 6.11748e-02 51
2002  8 2.21028e-02 1.01297e-02 136
2002  9 1.24919e-02 2.80476e-02 157
2002 10 -4.08366e-02 4.59491e-02 183
2002 11 -1.80176e-02 4.31850e-02 487
2002 12 -4.54957e-02 6.74558e-02 422
2003  1 -1.90896e-02 4.65713e-02 580
2003  2 -2.39639e-03 4.17589e-02 372
2003  3 1.09543e-02 1.65640e-02 200
2003  4 -6.83261e-02 4.66918e-02 60
2003  5 -3.91468e-03 3.00162e-02 143
2003  6 1.91237e-02 6.43457e-02 59
2003  7 2.15381e-02 1.45988e-03 37
2003  8 7.13836e-04 4.32662e-02 92
2003  9 -2.30024e-02 4.62682e-02 79
2003 10 1.63924e-02 5.66587e-03 385
2003 11 9.84546e-04 7.74788e-02 95
2003 12 1.07624e-02 2.60636e-02 246
2004  1 6.33500e-03 4.01712e-02 428
2004  2 -6.37496e-04 3.67177e-02 546
2004  3 7.94016e-03 2.28202e-02 326
2004  4 1.24874e-02 3.59791e-02 399
2004  5 1.40374e-02 7.79474e-04 37
2004  6 4.22854e-03 3.58311e-02 129
2004  7 -2.63443e-02 7.39600e-02 177
2004  8 1.24313e-02 5.06737e-02 76
2004  9 1.77986e-02 3.33310e-02 142
2004 10 5.67752e-03 2.77209e-02 118
2004 11 1.99378e-02 3.26644e-03 173
2004 12 1.06506e-02 2.09644e-02 324
2005  1 2.35940e-02 4.94602e-03 170
2005  2 2.35292e-03 4.29223e-02 142
2005  3 2.02303e-02 3.68619e-03 493
2005  4 1.87438e-02 8.74234e-03 267
2005  5 2.02334e-02 6.42141e-03 135
2005  6 nan nan 0
2005  7 -3.93730e-02 5.15718e-02 79
2005  8 1.82297e-02 2.58878e-03 115
2005  9 2.30212e-02 4.17548e-03 109
2005 10 1.43060e-02 1.90458e-02 148
2005 11 2.09183e-02 8.42289e-03 278
2005 12 -1.52366e-02 1.64380e-01 391
2006  1 1.13816e-02 2.14042e-02 156
2006  2 1.18989e-02 2.48101e-02 498
2006  3 2.39700e-02 8.60204e-03 325
2006  4 1.84416e-02 2.82252e-02 201
2006  5 1.90380e-02 9.99559e-03 214
2006  6 1.64118e-02 2.29447e-03 59
2006  7 -1.61500e-02 4.47274e-02 51
2006  8 1.97094e-02 1.06966e-02 97
2006  9 1.54776e-02 2.65691e-03 220
2006 10 9.10351e-03 2.33119e-02 219
2006 11 -1.19775e-02 4.07767e-02 426
2006 12 -1.53382e-02 4.64183e-02 377
2007  1 1.60728e-02 2.95720e-02 457
2007  2 2.34841e-02 1.11504e-02 676
2007  3 3.34652e-03 2.88333e-02 223
2007  4 2.00974e-02 3.73235e-03 201
2007  5 1.59358e-02 2.95300e-03 158
2007  6 1.66130e-02 2.94028e-03 68
2007  7 1.75601e-02 3.40378e-02 124
2007  8 3.29425e-03 2.71793e-02 64
2007  9 2.16882e-02 3.69201e-02 104
2007 10 -2.90570e-02 4.85453e-02 125
2007 11 1.97173e-03 3.92136e-02 331
2007 12 2.21975e-02 6.05597e-03 234
2008  1 2.60233e-02 1.61859e-02 394
2008  2 1.92174e-02 1.99091e-02 537
2008  3 2.40703e-02 4.63942e-03 228
2008  4 1.74651e-02 3.77059e-03 186
2008  5 1.90415e-02 5.00737e-03 176
2008  6 -7.04850e-03 3.52799e-02 59
2008  7 1.48028e-02 5.26017e-03 157
2008  8 1.84789e-02 3.78057e-03 130
2008  9 1.88399e-02 4.36434e-03 254
2008 10 7.78486e-03 4.07908e-02 329
2008 11 1.47808e-02 2.65386e-02 496
2008 12 1.43508e-02 1.82524e-02 330
2009  1 1.82472e-02 1.65480e-02 412
2009  2 1.36592e-02 2.01131e-02 346
2009  3 1.74307e-02 2.08436e-02 156
2009  4 2.29402e-02 3.21560e-02 312
2009  5 3.33678e-02 2.67430e-03 87
2009  6 2.30504e-02 3.77110e-03 101
2009  7 4.67184e-03 2.38770e-02 126
2009  8 5.96971e-03 4.31077e-02 113
2009  9 1.12897e-02 2.43404e-02 335
2009 10 1.94121e-02 1.91748e-02 368
2009 11 2.03348e-02 1.92491e-02 236
2009 12 2.01661e-02 1.03713e-02 381
2010  1 1.12314e-02 5.03208e-02 474
2010  2 3.31112e-03 4.26296e-02 365
2010  3 1.44366e-02 2.43575e-02 376
2010  4 1.76647e-02 2.82325e-02 183
2010  5 1.07400e-02 3.17889e-02 193
2010  6 1.87660e-02 1.25895e-03 65
2010  7 -2.34125e-02 5.88170e-02 54
2010  8 2.33059e-02 4.54999e-02 152
2010  9 2.73269e-02 6.06854e-03 205
2010 10 1.22579e-02 2.37471e-02 255
2010 11 -1.66395e-02 6.76239e-02 278
2010 12 -2.48714e-03 8.43195e-02 362
2011  1 1.53629e-02 1.94509e-02 460
2011  2 1.54707e-02 3.67021e-02 435
2011  3 9.10116e-03 1.49245e-01 348
2011  4 6.69390e-03 3.36276e-02 334
2011  5 -4.36689e-02 1.13233e-01 76
2011  6 1.61501e-02 8.64353e-04 49
2011  7 1.79718e-02 2.55745e-03 64
2011  8 -2.99931e-02 3.26699e-02 8
2011  9 2.10951e-02 1.01112e-02 175
2011 10 1.72694e-02 3.54457e-03 185
2011 11 1.68027e-02 2.34540e-02 250
2011 12 -5.94702e-03 3.93723e-02 197
2012  1 2.15852e-02 1.11512e-02 476
2012  2 6.95124e-03 2.61060e-02 365
2012  3 -6.04889e-03 2.64762e-02 223
2012  4 2.07476e-02 3.66035e-03 175
2012  5 2.07999e-02 3.52239e-03 64
2012  6 2.20308e-02 1.58655e-02 108
2012  7 1.74370e-02 2.04753e-03 89
2012  8 2.12640e-02 2.49867e-02 69
2012  9 -1.80168e-03 5.05554e-02 379
2012 10 -3.38151e-03 5.11977e-02 272
2012 11 3.99751e-03 3.16442e-02 330
2012 12 6.98611e-03 4.90047e-02 397
2013  1 2.22757e-02 2.77264e-02 316
2013  2 2.53639e-02 1.07301e-02 492
2013  3 2.30806e-02 1.41163e-02 333
2013  4 1.35706e-02 1.93490e-02 282
2013  5 -2.10335e-03 3.37282e-02 137
2013  6 nan nan 0
2013  7 1.70533e-02 1.50722e-02 144
2013  8 2.64038e-02 6.13543e-03 145
2013  9 1.91700e-02 1.77203e-02 259
2013 10 1.16649e-02 5.31137e-02 142
2013 11 -4.99632e-03 3.98106e-02 270
2013 12 1.60352e-02 2.47009e-02 385
2014  1 1.41583e-02 3.99815e-02 523
2014  2 1.45209e-02 3.15837e-02 416
2014  3 2.54521e-02 1.24316e-02 479
2014  4 1.69136e-02 7.61043e-03 269
2014  5 1.59532e-02 3.12478e-03 188
2014  6 -3.17978e-02 1.06622e-01 129
2014  7 1.03074e-02 5.00428e-04 35
2014  8 1.25959e-02 1.26939e-02 120
2014  9 1.98990e-02 1.95630e-02 218
2014 10 -2.12414e-03 5.21084e-02 301
2014 11 -1.32392e-02 6.36537e-02 412
2014 12 9.78620e-03 2.67964e-02 402
2015  1 1.78024e-02 1.67759e-02 364
2015  2 1.93269e-02 1.14876e-02 232
2015  3 -7.94120e-03 2.86346e-02 198
2015  4 1.88574e-02 1.47954e-02 230
2015  5 2.14400e-02 2.69091e-02 108
2015  6 1.92776e-02 4.34311e-03 37
2015  7 1.47258e-02 1.06798e-04 13
2015  8 1.59568e-02 4.53606e-03 240
2015  9 1.48783e-02 1.92445e-02 266
2015 10 -4.72018e-03 4.07416e-02 328
2015 11 2.62967e-03 4.17076e-02 310
2015 12 1.38286e-02 4.26711e-02 457
2016  1 7.30713e-03 6.37435e-02 549
2016  2 -9.58301e-03 4.72996e-02 216
2016  3 1.82739e-02 1.28683e-02 306
2016  4 2.50163e-02 5.95404e-03 306
2016  5 1.77640e-02 2.70157e-03 98
2016  6 1.96937e-02 1.53930e-02 110
2016  7 9.46644e-03 2.29337e-02 64
2016  8 nan nan 0
2016  9 1.30254e-02 1.85680e-02 164
2016 10 -8.43471e-03 4.76983e-02 121
2016 11 8.93276e-03 3.63548e-02 31
2016 12 1.40691e-02 2.30194e-02 475
2017  1 2.06389e-02 3.27088e-02 424
2017  2 1.86892e-02 1.94980e-02 390
2017  3 1.78579e-02 1.72985e-02 151
2017  4 2.32280e-02 7.15991e-03 113
2017  5 1.52527e-02 2.11404e-02 233
2017  6 1.73725e-02 1.33475e-02 119
2017  7 6.94925e-03 3.21788e-02 114
2017  8 nan nan 0
2017  9 2.34702e-02 7.41013e-03 114
2017 10 -1.32576e-02 5.23515e-02 237
2017 11 2.62597e-02 1.54085e-02 215
2017 12 1.87675e-02 1.81451e-02 315
2018  1 -1.78822e-04 4.24107e-02 377
2018  2 4.23998e-03 2.42220e-02 300
2018  3 2.67468e-02 1.42025e-02 335
2018  4 1.60748e-02 3.78266e-02 385
2018  5 1.12048e-02 2.67997e-02 257
2018  6 -2.50890e-02 7.26526e-02 74
2018  7 2.07234e-03 4.36075e-02 127
2018  8 1.56089e-02 3.90429e-03 119
2018  9 1.49565e-02 1.43569e-02 191
2018 10 -9.72060e-03 5.48830e-02 296
2018 11 -1.70226e-02 4.14236e-02 371
2018 12 1.09307e-02 2.47612e-02 296
2019  1 1.91292e-02 9.15344e-03 432
2019  2 1.52619e-02 2.96475e-02 436
2019  3 7.81624e-03 2.84306e-02 323
2019  4 2.27072e-02 7.89634e-03 260
2019  5 8.86156e-03 3.39134e-02 55
2019  6 2.39086e-02 1.87158e-02 192
2019  7 2.16989e-03 2.92793e-02 50
2019  8 2.06999e-02 5.92317e-03 197
2019  9 1.35133e-02 1.05733e-02 262
2019 10 2.11080e-02 2.87332e-03 205
2019 11 -2.29091e-02 6.37010e-02 450
2019 12 -1.81004e-02 4.29797e-02 449
2020  1 3.83000e-03 6.52895e-02 220
2020  2 1.75649e-02 2.36335e-02 514
2020  3 1.35505e-02 4.53509e-02 284
2020  4 5.95553e-03 2.43870e-02 505
2020  5 1.25932e-02 2.53799e-02 115
2020  6 1.49281e-02 2.36342e-02 241
2020  7 -1.41078e-02 4.03188e-02 175
2020  8 1.56008e-02 3.60826e-03 127
2020  9 1.92380e-02 7.45758e-03 127
2020 10 1.95067e-02 5.39676e-03 259
2020 11 1.00801e-02 2.83588e-02 422
2020 12 -1.65900e-02 1.10704e-01 402
2021  1 1.44842e-02 2.72373e-02 548
2021  2 9.61140e-03 3.04105e-02 373
2021  3 1.06822e-02 2.01553e-02 265
2021  4 1.32286e-02 1.91254e-02 185
2021  5 1.33564e-02 1.38029e-03 127
2021  6 2.47429e-02 5.46982e-02 31
2021  7 -9.36057e-03 4.96696e-02 193
2021  8 -6.98331e-03 3.26775e-02 36
2021  9 -1.03312e-02 8.66799e-02 211
2021 10 -9.73902e-03 3.94642e-02 371
2021 11 2.12911e-02 3.16438e-02 332
2021 12 -1.81758e-03 3.67711e-02 374
2022  1 2.17688e-02 5.99022e-03 636
2022  2 2.12961e-02 7.91792e-03 301
2022  3 1.86788e-02 7.15628e-03 169
2022  4 1.32775e-02 3.99773e-04 31
2022  5 1.63079e-02 9.21190e-04 38
2022  6 1.38830e-02 6.69667e-03 288
2022  7 1.12036e-02 1.14095e-03 85
2022  8 2.16013e-02 8.57862e-03 166
2022  9 3.11871e-02 2.61915e-02 147
2022 10 1.56640e-02 3.83946e-03 211
2022 11 1.56199e-02 1.03648e-02 453
2022 12 2.47537e-02 4.09462e-02 819
2023  1 1.56493e-02 4.58631e-03 623
2023  2 1.32214e-02 4.96310e-03 338
2023  3 1.78823e-02 2.10306e-02 485
2023  4 9.99991e-03 9.61966e-03 629
2023  5 1.00492e-02 4.16507e-03 476
2023  6 2.05151e-02 5.36089e-03 193
2023  7 nan nan 0
2023  8 1.45694e-02 5.23580e-03 300
2023  9 1.64013e-02 4.55657e-03 243
2023 10 1.11308e-02 3.02027e-03 377
2023 11 1.81010e-02 4.29757e-03 431
2023 12 1.96770e-02 1.92451e-02 489
2024  1 1.80835e-02 5.63418e-03 405
2024  2 2.08133e-02 1.06570e-02 506
2024  3 1.30586e-02 7.46109e-03 362
2024  4 1.25112e-02 5.63121e-03 9