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 4.54984e-02 2.29101e-03 128
2002  8 5.09607e-02 2.75653e-03 112
2002  9 9.90150e-02 6.89770e-02 80
2002 10 1.31252e-01 6.53834e-02 128
2002 11 1.37346e-01 3.82814e-02 182
2002 12 1.29761e-01 3.29320e-02 175
2003  1 2.60780e-01 3.34010e-01 224
2003  2 1.06326e-01 2.25831e-02 144
2003  3 2.15381e-01 3.02160e-01 158
2003  4 1.02870e-01 2.30110e-02 122
2003  5 6.52264e-02 1.54208e-02 91
2003  6 1.03600e-01 9.64733e-03 80
2003  7 8.02528e-02 8.91055e-03 53
2003  8 9.24542e-02 3.60737e-02 118
2003  9 8.34093e-02 1.42997e-02 171
2003 10 1.01347e-01 4.84336e-02 217
2003 11 7.12187e-02 1.93180e-02 256
2003 12 1.05049e-01 2.89422e-02 254
2004  1 7.48714e-02 3.51957e-03 154
2004  2 7.69125e-02 1.06300e-02 80
2004  3 7.99917e-02 2.31871e-02 240
2004  4 6.50994e-02 9.88390e-03 169
2004  5 5.79811e-02 6.48755e-03 148
2004  6 9.13250e-02 5.02620e-02 64
2004  7 8.63312e-02 1.99993e-02 96
2004  8 7.05062e-02 1.38954e-02 96
2004  9 1.84854e-01 1.77116e-01 144
2004 10 1.00589e-01 3.90455e-02 112
2004 11 1.11914e-01 2.20971e-02 131
2004 12 1.26337e-01 1.51034e-02 142
2005  1 1.03397e-01 2.66857e-02 160
2005  2 9.08571e-02 1.68954e-02 112
2005  3 8.51875e-02 1.26342e-02 176
2005  4 1.75712e-01 7.68531e-02 112
2005  5 9.06937e-02 2.12784e-02 128
2005  6 8.29031e-02 2.50528e-02 64
2005  7 1.25425e-01 8.86158e-02 144
2005  8 6.32552e-02 1.00652e-02 58
2005  9 1.09130e-01 3.25821e-02 145
2005 10 9.85934e-02 2.75258e-02 272
2005 11 7.99176e-02 1.49239e-02 187
2005 12 8.14518e-02 1.03094e-02 112
2006  1 8.62028e-02 1.51746e-02 144
2006  2 9.77670e-02 2.13331e-02 176
2006  3 6.70104e-02 7.84000e-03 231
2006  4 4.98635e-02 8.02179e-03 192
2006  5 6.27150e-02 1.39293e-02 160
2006  6 7.44757e-02 3.00415e-02 169
2006  7 4.61793e-02 5.49868e-03 58
2006  8 5.46861e-02 8.64487e-03 79
2006  9 6.86640e-02 1.40801e-02 178
2006 10 7.17450e-02 1.63937e-02 222
2006 11 9.73508e-02 3.07725e-02 260
2006 12 7.96787e-02 1.22145e-02 160
2007  1 8.88061e-02 1.49946e-02 98
2007  2 7.66828e-02 1.15411e-02 128
2007  3 6.38232e-02 1.03979e-02 224
2007  4 7.71000e-02 2.18737e-02 142
2007  5 5.65146e-02 7.62833e-03 96
2007  6 5.01107e-02 3.25904e-03 112
2007  7 7.19229e-02 2.13471e-02 96
2007  8 5.08634e-02 7.04122e-03 123
2007  9 1.22492e-01 1.31105e-01 144
2007 10 1.07828e-01 3.81385e-02 253
2007 11 9.13992e-02 2.14610e-02 238
2007 12 7.01984e-02 1.05855e-02 128
2008  1 1.05148e-01 3.22964e-02 128
2008  2 8.36448e-02 1.60735e-02 192
2008  3 1.26134e-01 3.17792e-02 167
2008  4 7.90937e-02 1.75769e-02 160
2008  5 1.05780e-01 3.78609e-02 112
2008  6 1.18095e-01 3.29987e-02 126
2008  7 1.04727e-01 2.57680e-02 66
2008  8 8.06412e-02 8.25985e-03 97
2008  9 9.60854e-02 2.44243e-02 192
2008 10 8.27156e-02 1.65306e-02 192
2008 11 6.31618e-02 7.79711e-03 272
2008 12 7.94804e-02 2.03561e-02 112
2009  1 8.78751e-02 1.55963e-02 205
2009  2 1.28464e-01 2.06461e-02 112
2009  3 8.07488e-02 2.82033e-02 129
2009  4 1.01634e-01 1.14981e-02 128
2009  5 7.07375e-02 1.22808e-02 64
2009  6 9.14583e-02 1.50966e-02 144
2009  7 5.00124e-02 2.66846e-03 97
2009  8 5.42571e-02 5.36499e-03 112
2009  9 5.84474e-02 9.68533e-03 152
2009 10 9.36988e-02 2.82272e-02 172
2009 11 1.06663e-01 3.08327e-02 224
2009 12 1.94727e-01 1.33882e-01 80
2010  1 1.56026e-01 5.90892e-02 144
2010  2 2.35653e-01 8.95711e-02 144
2010  3 2.16543e-01 8.05967e-02 140
2010  4 1.54399e-01 6.03563e-02 192
2010  5 8.54917e-02 8.10250e-03 144
2010  6 1.02529e-01 1.68833e-02 160
2010  7 6.19742e-02 9.93508e-03 124
2010  8 7.06000e-02 2.82356e-03 32
2010  9 7.24760e-02 6.59617e-03 208
2010 10 7.02325e-02 1.24073e-02 320
2010 11 8.10859e-02 1.18281e-02 191
2010 12 1.37975e-01 5.22489e-02 224
2011  1 1.50939e-01 6.09448e-02 176
2011  2 1.01297e-01 3.09035e-02 183
2011  3 7.69591e-02 1.54044e-02 176
2011  4 6.95056e-02 7.49922e-03 144
2011  5 9.12383e-02 3.66474e-02 240
2011  6 1.18405e-01 4.48794e-02 128
2011  7 7.89625e-02 1.36573e-02 112
2011  8 9.77247e-02 2.49382e-02 178
2011  9 9.04460e-02 2.23758e-02 200
2011 10 8.59221e-02 1.09247e-02 272
2011 11 8.34807e-02 8.56038e-03 176
2011 12 9.66810e-02 7.33087e-02 121
2012  1 9.08245e-02 2.02392e-02 229
2012  2 7.83286e-02 8.78159e-03 56
2012  3 6.67444e-02 1.44474e-02 169
2012  4 5.26788e-02 7.06919e-03 208
2012  5 4.99694e-02 5.60021e-03 144
2012  6 5.15526e-02 5.73229e-03 97
2012  7 4.97969e-02 5.16158e-03 64
2012  8 7.63500e-02 9.42159e-03 76
2012  9 1.01942e-01 4.85409e-02 224
2012 10 7.64021e-02 1.48947e-02 288
2012 11 9.66586e-02 3.83060e-02 304
2012 12 7.63176e-02 1.24640e-02 85
2013  1 7.34750e-02 8.98597e-03 144
2013  2 7.41488e-02 1.23510e-02 82
2013  3 1.58829e-01 6.28717e-02 184
2013  4 8.99521e-02 9.91315e-03 96
2013  5 8.04596e-02 1.29610e-02 171
2013  6 7.08781e-02 8.20432e-03 105
2013  7 7.49844e-02 1.15886e-02 128
2013  8 1.10475e-01 3.86699e-02 80
2013  9 8.52250e-02 3.27871e-02 240
2013 10 7.39750e-02 1.38033e-02 224
2013 11 8.10438e-02 9.23985e-03 160
2013 12 6.93661e-02 9.35563e-03 112
2014  1 9.74656e-02 1.57179e-02 128
2014  2 8.62066e-02 1.89190e-02 152
2014  3 1.30698e-01 8.74938e-02 176
2014  4 1.00580e-01 1.98650e-02 112
2014  5 1.43425e-01 8.55712e-02 176
2014  6 2.19005e-01 2.59419e-01 148
2014  7 9.16325e-02 1.68092e-02 80
2014  8 5.48857e-02 3.71240e-03 112
2014  9 5.09637e-02 3.28671e-03 160
2014 10 6.96827e-02 1.04284e-02 324
2014 11 9.23114e-02 1.83450e-02 210
2014 12 8.78791e-02 1.97546e-02 172
2015  1 9.10242e-02 2.15531e-02 165
2015  2 8.14091e-02 1.17934e-02 176
2015  3 7.87375e-02 9.97485e-03 80
2015  4 6.72437e-02 8.65198e-03 64
2015  5 5.67386e-02 8.15042e-03 176
2015  6 6.34028e-02 1.04299e-02 144
2015  7 7.54347e-02 1.20577e-02 144
2015  8 6.55253e-02 1.08583e-02 150
2015  9 6.13792e-02 1.39171e-02 144
2015 10 1.56404e-01 3.24546e-01 156
2015 11 1.12878e-01 1.53432e-02 207
2015 12 1.12046e-01 4.64213e-02 96
2016  1 2.52149e-01 2.17053e-01 160
2016  2 1.78621e-01 4.08924e-02 233
2016  3 1.34489e-01 3.24786e-02 112
2016  4 1.88523e-01 1.36783e-01 160
2016  5 1.70033e-01 1.85355e-01 160
2016  6 9.55409e-02 3.66733e-02 159
2016  7 1.36652e-01 1.43719e-02 112
2016  8 6.08327e-02 6.36250e-03 159
2016  9 6.86433e-02 1.02310e-02 208
2016 10 6.74187e-02 7.60698e-03 288
2016 11 6.61392e-02 5.93429e-03 263
2016 12 7.91178e-02 1.05564e-02 180
2017  1 1.06170e-01 4.52206e-02 174
2017  2 1.48251e-01 4.49843e-02 224
2017  3 9.16200e-02 2.12574e-02 160
2017  4 8.73284e-02 2.39394e-02 176
2017  5 9.82350e-02 2.39485e-02 120
2017  6 7.75667e-02 1.42728e-02 48
2017  7 7.32648e-02 1.35517e-02 176
2017  8 9.06732e-02 2.89487e-02 112
2017  9 8.16556e-02 8.86472e-03 169
2017 10 9.89751e-02 1.34903e-02 201
2017 11 7.64591e-02 1.03033e-02 254
2017 12 8.48281e-02 1.45522e-02 128
2018  1 9.24529e-02 2.38320e-02 208
2018  2 6.09687e-02 1.32033e-02 96
2018  3 6.51866e-02 1.29551e-02 224
2018  4 5.93632e-02 1.03119e-02 212
2018  5 9.02375e-02 1.68950e-02 112
2018  6 7.60725e-02 4.56938e-03 80
2018  7 7.32344e-02 1.08103e-02 122
2018  8 6.52804e-02 3.69231e-03 112
2018  9 7.07563e-02 1.38000e-02 215
2018 10 1.54933e-01 1.08407e-01 292
2018 11 1.53596e-01 3.28672e-02 96
2018 12 1.59325e-01 2.38022e-02 80
2019  1 2.19149e-01 7.26424e-02 192
2019  2 2.00571e-01 7.09589e-02 35
2019  3 1.06976e-01 2.65240e-02 176
2019  4 9.62762e-02 1.71554e-02 126
2019  5 7.74214e-02 1.23006e-02 224
2019  6 8.44396e-02 1.98624e-02 96
2019  7 1.06276e-01 2.95822e-02 126
2019  8 6.96118e-02 7.96373e-03 68
2019  9 8.50162e-02 1.25546e-02 271
2019 10 7.43497e-02 1.21726e-02 159
2019 11 8.40920e-02 1.00625e-02 176
2019 12 8.17531e-02 9.38801e-03 128
2020  1 8.70453e-02 9.11973e-03 128
2020  2 9.89109e-02 2.58861e-02 128
2020  3 8.54937e-02 2.94976e-02 96
2020  4 1.48818e-01 9.14833e-02 143
2020  5 1.87489e-01 9.72642e-02 158
2020  6 6.78429e-02 1.53676e-02 112
2020  7 8.85425e-02 4.26146e-02 73
2020  8 7.44687e-02 6.90690e-03 64
2020  9 1.56333e-01 5.68532e-02 96
2020 10 1.90414e-01 1.50821e-01 239
2020 11 1.51780e-01 6.25311e-02 208
2020 12 9.37902e-02 1.80252e-02 224
2021  1 1.12467e-01 2.82511e-02 144
2021  2 8.85750e-02 8.26958e-03 96
2021  3 7.54234e-02 6.83349e-03 128
2021  4 7.65292e-02 2.12204e-02 192
2021  5 6.87667e-02 1.50881e-02 144
2021  6 6.54656e-02 6.30136e-03 61
2021  7 9.21150e-02 2.90241e-02 160
2021  8 8.66477e-02 1.93966e-02 134
2021  9 1.06447e-01 3.91315e-02 144
2021 10 2.94240e-01 4.19850e-01 144
2021 11 1.02898e-01 2.66046e-02 256
2021 12 1.07463e-01 3.65311e-02 98
2022  1 9.40975e-02 2.37290e-02 160
2022  2 7.57671e-02 3.81128e-02 213
2022  3 6.30941e-02 5.72246e-03 236
2022  4 5.02059e-02 5.61563e-03 68
2022  5 6.06089e-02 7.68019e-03 112
2022  6 4.53837e-02 5.09990e-03 160
2022  7 5.58829e-02 2.38007e-02 140
2022  8 9.44358e-02 1.33313e-02 190
2022  9 7.19846e-02 1.44502e-02 233
2022 10 7.29682e-02 1.25044e-02 277
2022 11 7.55067e-02 8.75461e-03 180
2022 12 7.28029e-02 7.34298e-03 136
2023  1 6.72388e-02 8.73183e-03 165
2023  2 7.27097e-02 8.60987e-03 144
2023  3 6.67906e-02 6.28982e-03 64
2023  4 6.16375e-02 7.40251e-03 80
2023  5 4.46679e-02 8.08568e-03 112
2023  6 6.54943e-02 1.19898e-02 53
2023  7 8.29092e-02 1.28635e-02 130
2023  8 8.35420e-02 1.85116e-02 169
2023  9 9.92569e-02 2.09162e-02 144
2023 10 1.25048e-01 1.57913e-01 256
2023 11 9.15542e-02 1.28812e-02 192
2023 12 9.19250e-02 1.01511e-02 128
2024  1 1.09889e-01 4.00489e-02 128
2024  2 1.41552e-01 4.32177e-02 112
2024  3 1.12608e-01 6.19746e-02 126
2024  4 1.23019e-01 1.70906e-02 32