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 1.12950e-01 4.34001e-02 261
2002  8 1.60163e-01 7.68962e-02 140
2002  9 1.54655e-01 1.10418e-01 243
2002 10 1.25354e-01 6.13659e-02 420
2002 11 9.53190e-02 6.82169e-02 165
2002 12 6.06444e-02 1.79470e-02 77
2003  1 1.92400e-01 8.86751e-02 332
2003  2 1.52750e-01 6.11414e-02 465
2003  3 1.32579e-01 5.82421e-02 567
2003  4 1.61639e-01 8.18222e-02 150
2003  5 9.14029e-02 4.65656e-02 240
2003  6 9.53027e-02 4.82796e-02 18
2003  7 8.90185e-02 4.38141e-02 87
2003  8 6.57937e-02 3.41632e-02 106
2003  9 7.39104e-02 3.20167e-02 182
2003 10 9.27977e-02 5.97127e-02 255
2003 11 1.07853e-01 4.38350e-02 64
2003 12 5.04650e-01 2.14660e-01 184
2004  1 1.41287e-01 8.55337e-02 270
2004  2 1.02083e-01 6.19972e-02 204
2004  3 1.01918e-01 7.22006e-02 327
2004  4 1.17311e-01 7.74278e-02 253
2004  5 6.63007e-02 2.87915e-02 134
2004  6 1.15113e-01 3.61325e-02 168
2004  7 8.65473e-02 3.16398e-02 167
2004  8 1.03030e-01 2.76765e-02 140
2004  9 9.74297e-02 8.32226e-02 86
2004 10 6.72288e-02 3.20266e-02 205
2004 11 1.03231e-01 1.18938e-01 257
2004 12 9.15630e-02 4.38158e-02 118
2005  1 2.00305e-01 1.35067e-01 217
2005  2 1.10862e-01 5.64952e-02 144
2005  3 1.56119e-01 7.21521e-02 327
2005  4 9.06412e-02 3.61867e-02 187
2005  5 5.42892e-02 2.47892e-02 161
2005  6 1.08845e-01 5.21537e-02 79
2005  7 1.55593e-01 6.99024e-02 333
2005  8 1.24218e-01 7.55590e-02 196
2005  9 1.00906e-01 3.83938e-02 224
2005 10 1.47756e-01 6.25429e-02 153
2005 11 3.30574e-01 1.24482e-01 142
2005 12 2.14115e-01 5.64773e-02 994
2006  1 2.84106e-01 1.86673e-01 322
2006  2 1.78035e-01 4.82401e-02 370
2006  3 1.63359e-01 4.12252e-02 482
2006  4 1.20650e-01 8.01482e-02 303
2006  5 8.32457e-02 3.80627e-02 363
2006  6 1.47047e-01 3.62829e-02 434
2006  7 1.69455e-01 4.41879e-02 167
2006  8 8.20539e-02 1.81660e-02 167
2006  9 1.23688e-01 4.17208e-02 203
2006 10 1.25714e-01 6.55106e-02 331
2006 11 9.28511e-02 5.33001e-02 96
2006 12 1.96895e-01 1.24376e-01 67
2007  1 1.48875e-01 1.06442e-01 226
2007  2 1.54943e-01 7.36463e-02 137
2007  3 1.54981e-01 9.71458e-02 283
2007  4 1.31696e-01 6.88645e-02 123
2007  5 7.25520e-02 2.26542e-02 108
2007  6 1.04864e-01 5.22056e-02 78
2007  7 1.57630e-01 5.74878e-02 328
2007  8 1.09541e-01 3.36161e-02 147
2007  9 1.03664e-01 7.22737e-02 103
2007 10 9.51873e-02 7.31159e-02 118
2007 11 6.77600e-02 3.38816e-02 195
2007 12 1.04666e-01 3.75378e-02 182
2008  1 1.21445e-01 1.34028e-01 133
2008  2 1.30417e-01 7.76042e-02 197
2008  3 1.63628e-01 6.46275e-02 160
2008  4 1.04163e-01 6.23141e-02 227
2008  5 9.12236e-02 6.19574e-02 284
2008  6 9.15710e-02 7.42093e-02 238
2008  7 1.71100e-01 4.88109e-02 263
2008  8 9.09509e-02 5.23879e-02 169
2008  9 8.24416e-02 4.71094e-02 59
2008 10 1.11922e-01 7.16365e-02 146
2008 11 5.99274e-02 3.55182e-02 165
2008 12 1.34121e-01 1.01085e-01 222
2009  1 1.14893e-01 4.71337e-02 294
2009  2 1.91923e-01 9.89741e-02 320
2009  3 1.41638e-01 7.16510e-02 144
2009  4 1.08092e-01 4.71300e-02 122
2009  5 1.22870e-01 6.30815e-02 235
2009  6 7.94231e-02 1.62098e-02 178
2009  7 1.08165e-01 6.15072e-02 43
2009  8 1.33671e-01 6.36205e-02 117
2009  9 1.26121e-01 5.88657e-02 177
2009 10 9.33325e-02 5.30728e-02 179
2009 11 8.72976e-02 6.70201e-02 209
2009 12 8.94163e-02 4.66027e-02 106
2010  1 1.42662e-01 5.73472e-02 67
2010  2 2.54146e-01 9.94689e-02 148
2010  3 2.12314e-01 2.32493e-02 90
2010  4 1.46401e-01 3.38826e-02 151
2010  5 1.09853e-01 6.18212e-02 318
2010  6 8.43080e-02 2.03537e-02 256
2010  7 1.10317e-01 7.66447e-02 121
2010  8 8.28623e-02 3.39885e-02 197
2010  9 7.24402e-02 4.62741e-02 190
2010 10 1.19202e-01 3.02756e-02 272
2010 11 1.10675e-01 6.62853e-02 222
2010 12 7.70809e-02 5.98901e-02 178
2011  1 2.39176e-01 1.12997e-01 152
2011  2 1.51954e-01 2.86755e-02 544
2011  3 1.62325e-01 2.91236e-02 345
2011  4 1.39145e-01 3.18086e-02 527
2011  5 1.08859e-01 4.32579e-02 205
2011  6 9.93498e-02 6.73255e-02 165
2011  7 7.34800e-02 2.85572e-02 245
2011  8 4.96273e-02 2.11025e-04 2
2011  9 5.62124e-02 2.06092e-02 149
2011 10 1.14848e-01 4.77123e-02 96
2011 11 9.10151e-02 4.25077e-02 212
2011 12 1.65577e-01 1.58584e-01 214
2012  1 1.57852e-01 8.78472e-02 312
2012  2 1.14862e-01 5.41078e-02 203
2012  3 8.69092e-02 6.35453e-02 258
2012  4 1.11775e-01 6.65927e-02 323
2012  5 7.73646e-02 4.64117e-02 189
2012  6 1.57819e-01 3.63529e-02 111
2012  7 1.05231e-01 4.13958e-02 85
2012  8 1.06122e-01 4.55614e-02 115
2012  9 1.26050e-01 3.09216e-02 444
2012 10 1.74368e-01 9.07540e-02 259
2012 11 1.53993e-01 1.22366e-01 300
2012 12 1.17600e-01 7.45051e-02 113
2013  1 1.70462e-01 1.43578e-01 226
2013  2 9.50648e-02 4.14567e-02 139
2013  3 9.14996e-02 7.48168e-02 180
2013  4 1.51990e-01 7.49675e-02 162
2013  5 1.12342e-01 8.10653e-02 294
2013  6 1.04564e-01 4.67730e-02 155
2013  7 1.80219e-01 6.00379e-02 177
2013  8 7.90331e-02 2.31882e-02 87
2013  9 8.63888e-02 5.40335e-02 112
2013 10 7.16318e-02 3.33411e-02 457
2013 11 1.13908e-01 7.59178e-02 246
2013 12 1.46970e-01 6.87459e-02 111
2014  1 5.37208e-02 2.19724e-02 321
2014  2 9.94863e-02 6.29556e-02 233
2014  3 8.59453e-02 3.39949e-02 452
2014  4 9.15994e-02 3.45501e-02 327
2014  5 7.59231e-02 5.78505e-02 79
2014  6 8.37399e-02 3.24133e-02 278
2014  7 9.07282e-02 6.39259e-02 184
2014  8 5.19858e-02 1.92285e-02 334
2014  9 8.81812e-02 2.84364e-02 19
2014 10 8.68294e-02 4.07213e-02 112
2014 11 9.17104e-02 3.68357e-02 135
2014 12 6.59793e-02 2.53174e-02 168
2015  1 1.05737e-01 4.62549e-02 163
2015  2 8.57983e-02 5.07392e-02 37
2015  3 1.46778e-01 9.51344e-02 305
2015  4 9.42023e-02 5.72435e-02 317
2015  5 1.09444e-01 6.28671e-02 193
2015  6 4.87895e-02 9.99005e-03 60
2015  7 9.74764e-02 3.59840e-02 175
2015  8 9.53824e-02 3.63542e-02 37
2015  9 5.77019e-02 1.46696e-02 140
2015 10 8.75403e-02 4.81082e-02 137
2015 11 8.10087e-02 4.07331e-02 92
2015 12 1.28776e-01 9.06914e-02 40
2016  1 1.16153e-01 6.08931e-02 14
2016  2 2.17063e-01 1.40321e-01 130
2016  3 1.13854e-01 7.04247e-02 141
2016  4 1.45233e-01 6.86655e-02 452
2016  5 8.48985e-02 3.94392e-02 337
2016  6 1.01361e-01 1.75928e-02 248
2016  7 1.44545e-01 2.85104e-02 234
2016  8 7.09762e-02 5.32536e-02 83
2016  9 1.00742e-01 4.18821e-02 406
2016 10 8.13814e-02 5.06869e-02 128
2016 11 1.72837e-01 1.89058e-01 106
2016 12 9.69950e-02 7.65136e-02 44
2017  1 3.00214e-01 2.78685e-01 206
2017  2 1.53754e-01 8.26302e-02 325
2017  3 1.65663e-01 1.40879e-01 330
2017  4 8.11945e-02 4.33785e-02 226
2017  5 8.85866e-02 6.72020e-02 242
2017  6 7.60688e-02 4.56245e-02 115
2017  7 9.21405e-02 4.98924e-02 245
2017  8 9.78019e-02 4.02315e-02 223
2017  9 2.68477e-01 1.80742e-01 379
2017 10 2.17022e-01 1.68953e-01 25
2017 11 2.07238e-01 9.66585e-02 730
2017 12 1.63422e-01 7.76549e-02 980
2018  1 1.78437e-01 4.44677e-02 219
2018  2 2.50285e-01 9.03032e-02 251
2018  3 2.35742e-01 1.58792e-01 205
2018  4 1.26574e-01 6.82660e-02 359
2018  5 1.38940e-01 5.38435e-02 49
2018  6 1.36590e-01 5.83614e-02 190
2018  7 9.41908e-02 7.02202e-02 235
2018  8 2.27615e-01 5.37585e-02 191
2018  9 1.47320e-01 6.28882e-02 106
2018 10 1.36753e-01 9.29660e-02 79
2018 11 9.86800e-02 8.21580e-02 90
2018 12 1.19294e-01 8.11001e-02 241
2019  1 1.22420e-01 6.18614e-02 139
2019  2 1.51506e-01 1.23866e-01 122
2019  3 1.15363e-01 5.96579e-02 309
2019  4 1.10250e-01 6.85216e-02 175
2019  5 1.22279e-01 2.60586e-02 397
2019  6 9.87391e-02 6.53051e-02 361
2019  7 8.66897e-02 3.62289e-02 183
2019  8 1.57433e-01 8.85445e-02 220
2019  9 1.02485e-01 4.85299e-02 87
2019 10 1.20672e-01 6.06597e-02 167
2019 11 1.33261e-01 9.52294e-02 287
2019 12 7.48635e-02 5.81260e-02 151
2020  1 2.00913e-01 2.40651e-01 175
2020  2 2.17415e-01 1.47626e-01 179
2020  3 1.07826e-01 7.03204e-02 406
2020  4 9.62103e-02 4.81297e-02 349
2020  5 1.61476e-01 8.18655e-02 358
2020  6 1.78655e-01 7.08751e-02 327
2020  7 1.07359e-01 1.19463e-01 37
2020  8 1.00019e-01 6.36856e-02 267
2020  9 2.19407e-01 9.39255e-02 328
2020 10 1.86966e-01 8.12937e-02 294
2020 11 2.72713e-01 1.88911e-01 135
2020 12 1.38921e-01 6.45656e-02 272
2021  1 9.30434e-02 8.04945e-02 360
2021  2 1.53377e-01 5.23087e-02 467
2021  3 1.07832e-01 5.08886e-02 215
2021  4 1.34905e-01 4.24210e-02 205
2021  5 1.19764e-01 5.30150e-02 283
2021  6 1.27160e-01 5.86889e-02 131
2021  7 1.84600e-01 1.22330e-01 149
2021  8 8.82721e-02 7.14416e-02 34
2021  9 1.14882e-01 5.33960e-02 313
2021 10 6.34079e-02 1.92205e-02 85
2021 11 1.50572e-01 5.35168e-02 134
2021 12 9.49522e-02 4.90249e-02 126
2022  1 1.41302e-01 1.07671e-01 191
2022  2 1.43799e-01 1.04042e-01 246
2022  3 1.17055e-01 1.05320e-01 218
2022  4 1.44865e-01 6.67894e-02 45
2022  5 1.65995e-01 5.61218e-02 122
2022  6 1.32630e-01 7.68663e-02 153
2022  7 7.36220e-02 2.78833e-02 78
2022  8 8.76664e-02 3.88312e-02 174
2022  9 9.79115e-02 5.98609e-02 209
2022 10 1.30349e-01 6.29004e-02 160
2022 11 7.54573e-02 4.71857e-02 177
2022 12 7.82888e-02 3.29946e-02 188
2023  1 1.46182e-01 9.00626e-02 330
2023  2 1.78445e-01 9.65788e-02 362
2023  3 1.38339e-01 8.42991e-02 393
2023  4 1.15845e-01 8.01963e-02 243
2023  5 9.03016e-02 4.90279e-02 122
2023  6 1.79902e-01 3.30106e-02 230
2023  7 1.20311e-01 4.31094e-02 168
2023  8 1.30893e-01 1.07927e-01 111
2023  9 1.28131e-01 5.39237e-02 90
2023 10 1.05571e-01 5.56472e-02 95
2023 11 2.00680e-01 2.24820e-01 244
2023 12 1.01816e-01 4.54635e-02 188
2024  1 6.74001e-02 3.50926e-02 104
2024  2 1.08616e-01 4.96172e-02 283
2024  3 9.55399e-02 3.09667e-02 396
2024  4 7.23692e-02 6.56756e-02 16