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 5.90802e-02 1.70566e-02 172
2002  8 5.28491e-02 3.48125e-03 106
2002  9 1.11675e-01 5.40704e-02 96
2002 10 1.19414e-01 4.41620e-02 160
2002 11 1.02058e-01 1.53324e-02 200
2002 12 1.67761e-01 7.66540e-02 128
2003  1 2.35389e-01 1.79026e-01 248
2003  2 1.13876e-01 2.93769e-02 176
2003  3 1.08635e-01 3.04517e-02 144
2003  4 1.93131e-01 1.87462e-01 144
2003  5 1.25586e-01 1.12197e-02 29
2003  6 9.80933e-02 5.88529e-03 30
2003  7 1.70687e-01 5.17636e-02 48
2003  8 1.01482e-01 3.66220e-02 105
2003  9 8.04361e-02 1.99081e-02 144
2003 10 7.09337e-02 1.36434e-02 208
2003 11 7.05556e-02 8.84632e-03 288
2003 12 1.05585e-01 2.01929e-02 208
2004  1 6.98333e-02 8.11856e-03 126
2004  2 8.22857e-02 1.51698e-02 84
2004  3 8.01991e-02 1.41273e-02 224
2004  4 9.36667e-02 2.85124e-02 144
2004  5 6.54562e-02 1.79639e-02 128
2004  6 1.09219e-01 9.21742e-03 64
2004  7 1.46391e-01 6.86387e-02 64
2004  8 8.90849e-02 2.39331e-02 139
2004  9 1.29928e-01 7.03197e-02 176
2004 10 1.13007e-01 3.80516e-02 112
2004 11 1.13389e-01 2.11694e-02 129
2004 12 1.42076e-01 1.90996e-02 158
2005  1 1.16054e-01 5.76990e-02 144
2005  2 9.19375e-02 9.28006e-03 80
2005  3 9.22375e-02 3.00452e-02 144
2005  4 1.93321e-01 1.12994e-01 134
2005  5 9.13828e-02 3.18935e-02 128
2005  6 1.04259e-01 3.81936e-02 191
2005  7 1.06432e-01 4.61362e-02 150
2005  8 1.15222e-01 5.79904e-02 80
2005  9 9.25045e-02 4.15491e-02 155
2005 10 1.05441e-01 4.61626e-02 334
2005 11 7.66692e-02 1.82211e-02 208
2005 12 8.19828e-02 1.16354e-02 128
2006  1 9.28238e-02 2.46648e-02 160
2006  2 1.10127e-01 1.93140e-02 176
2006  3 7.02126e-02 1.49317e-02 253
2006  4 8.53958e-02 3.03840e-02 192
2006  5 1.42689e-01 1.73996e-01 208
2006  6 9.55536e-02 4.78663e-02 151
2006  7 4.50187e-02 3.24571e-03 64
2006  8 6.07538e-02 9.26602e-03 160
2006  9 6.68773e-02 7.70498e-03 176
2006 10 8.13180e-02 1.84378e-02 222
2006 11 8.73581e-02 1.56458e-02 253
2006 12 8.04432e-02 2.16146e-02 176
2007  1 8.62473e-02 1.55548e-02 93
2007  2 8.22964e-02 1.27708e-02 112
2007  3 6.35502e-02 9.49071e-03 213
2007  4 6.94659e-02 1.03393e-02 176
2007  5 5.45981e-02 4.53343e-03 105
2007  6 6.50044e-02 9.03843e-03 91
2007  7 9.77800e-02 5.79189e-02 80
2007  8 5.56875e-02 7.15401e-03 48
2007  9 6.51667e-02 1.27125e-02 144
2007 10 9.67029e-02 2.72501e-02 208
2007 11 8.06312e-02 1.38279e-02 224
2007 12 7.24078e-02 1.25049e-02 128
2008  1 8.90167e-02 1.97968e-02 144
2008  2 9.33359e-02 2.46523e-02 256
2008  3 1.52918e-01 3.38420e-02 170
2008  4 9.36547e-02 9.26491e-03 128
2008  5 1.39805e-01 6.84475e-02 112
2008  6 2.23537e-01 1.53905e-01 176
2008  7 1.00119e-01 2.01157e-02 57
2008  8 1.02059e-01 2.21695e-02 176
2008  9 8.50384e-02 2.60293e-02 224
2008 10 7.01846e-02 1.08867e-02 208
2008 11 5.65907e-02 6.70404e-03 281
2008 12 8.10363e-02 2.46816e-02 160
2009  1 9.22975e-02 2.96763e-02 160
2009  2 1.30700e-01 2.22333e-02 128
2009  3 1.19236e-01 4.73534e-02 144
2009  4 3.36538e-01 1.89198e-01 112
2009  5 1.14446e-01 1.21841e-01 65
2009  6 1.39291e-01 4.10831e-02 129
2009  7 6.23851e-02 8.79280e-03 94
2009  8 6.90162e-02 1.57700e-02 161
2009  9 6.36333e-02 1.01869e-02 96
2009 10 9.64783e-02 2.26627e-02 161
2009 11 1.06411e-01 2.45334e-02 161
2009 12 1.10630e-01 2.96800e-02 80
2010  1 1.43487e-01 6.72609e-02 208
2010  2 3.51149e-01 1.44408e-01 144
2010  3 2.15583e-01 7.02352e-02 144
2010  4 2.08629e-01 1.27406e-01 144
2010  5 1.06803e-01 2.21575e-02 154
2010  6 1.67729e-01 4.92459e-02 157
2010  7 1.49643e-01 1.70058e-01 112
2010  8 9.70650e-02 1.42959e-02 80
2010  9 8.72253e-02 2.03554e-02 221
2010 10 7.36161e-02 1.48115e-02 335
2010 11 9.76865e-02 1.26481e-02 208
2010 12 1.24951e-01 2.73713e-02 224
2011  1 1.39205e-01 4.55324e-02 214
2011  2 1.21108e-01 2.70922e-02 176
2011  3 1.23690e-01 7.97797e-02 196
2011  4 1.35021e-01 3.97901e-02 96
2011  5 1.19688e-01 3.32370e-02 196
2011  6 1.54706e-01 3.71133e-02 144
2011  7 1.03246e-01 2.05007e-02 144
2011  8 1.40323e-01 7.45747e-02 158
2011  9 9.94767e-02 2.78824e-02 180
2011 10 7.78750e-02 1.24446e-02 320
2011 11 7.69639e-02 8.73609e-03 144
2011 12 7.75093e-02 3.86669e-03 86
2012  1 1.04464e-01 7.34477e-02 197
2012  2 9.59750e-02 8.79570e-03 48
2012  3 7.50125e-02 2.49685e-02 208
2012  4 6.44727e-02 1.37394e-02 176
2012  5 6.39838e-02 1.04726e-02 160
2012  6 7.31266e-02 1.54162e-02 128
2012  7 6.15333e-02 1.90074e-02 84
2012  8 7.87060e-02 1.88849e-02 100
2012  9 9.23360e-02 4.92485e-02 200
2012 10 7.22763e-02 1.33277e-02 317
2012 11 8.55438e-02 1.19295e-02 288
2012 12 6.75813e-02 5.19792e-03 128
2013  1 6.98625e-02 1.16660e-02 144
2013  2 7.21077e-02 8.07235e-03 117
2013  3 2.83498e-01 2.54069e-01 224
2013  4 7.96025e-02 3.87668e-02 81
2013  5 7.81174e-02 6.11227e-03 138
2013  6 5.36627e-02 9.17291e-03 67
2013  7 8.80656e-02 1.84364e-02 128
2013  8 1.29034e-01 4.33796e-02 76
2013  9 9.16513e-02 3.05109e-02 234
2013 10 7.33795e-02 1.47631e-02 176
2013 11 8.67287e-02 2.16906e-02 160
2013 12 6.21625e-02 5.57504e-03 128
2014  1 8.51681e-02 2.38572e-02 144
2014  2 9.37773e-02 1.72725e-02 176
2014  3 1.18196e-01 1.04446e-01 144
2014  4 1.31480e-01 7.53778e-02 112
2014  5 3.91842e-01 3.90171e-01 128
2014  6 1.84775e-01 1.20175e-01 112
2014  7 1.03066e-01 3.29947e-02 128
2014  8 1.05187e-01 5.24325e-02 144
2014  9 5.45972e-02 5.87556e-03 144
2014 10 7.46483e-02 8.22100e-03 331
2014 11 8.23683e-02 9.74425e-03 208
2014 12 7.66596e-02 1.21255e-02 178
2015  1 8.99072e-02 2.05408e-02 181
2015  2 7.46344e-02 1.14087e-02 192
2015  3 6.73628e-02 5.49349e-03 129
2015  4 6.84000e-02 4.54929e-03 80
2015  5 7.03634e-02 4.67040e-02 191
2015  6 6.23151e-02 1.11816e-02 146
2015  7 2.04187e-01 2.38626e-01 140
2015  8 8.37654e-02 3.80355e-02 185
2015  9 5.65023e-02 4.29307e-03 176
2015 10 7.46150e-02 6.15770e-03 160
2015 11 1.27346e-01 2.53863e-02 160
2015 12 8.08937e-02 9.94012e-03 143
2016  1 1.11740e-01 7.33183e-02 192
2016  2 2.11867e-01 1.04598e-01 256
2016  3 1.81862e-01 3.61554e-02 112
2016  4 2.23652e-01 1.98419e-01 159
2016  5 1.15499e-01 3.59275e-02 176
2016  6 1.97550e-01 6.89205e-02 96
2016  7 1.43277e-01 3.28333e-02 128
2016  8 7.48176e-02 1.15858e-02 148
2016  9 7.01100e-02 1.21083e-02 180
2016 10 6.75840e-02 9.85890e-03 287
2016 11 7.30807e-02 1.18367e-02 176
2016 12 1.13484e-01 2.44384e-01 166
2017  1 1.46915e-01 5.31891e-02 176
2017  2 1.25680e-01 2.97614e-02 224
2017  3 9.57126e-02 2.57120e-02 167
2017  4 9.17000e-02 2.71013e-02 144
2017  5 1.46244e-01 5.29039e-02 192
2017  6 8.36812e-02 8.52230e-03 96
2017  7 3.54856e-01 2.44903e-01 160
2017  8 2.32418e-01 9.06218e-02 88
2017  9 9.33000e-02 2.36199e-02 208
2017 10 1.09127e-01 1.69933e-02 215
2017 11 6.98358e-02 1.43035e-02 240
2017 12 7.45896e-02 8.79085e-03 192
2018  1 9.96991e-02 2.36717e-02 224
2018  2 6.06411e-02 1.29691e-02 112
2018  3 7.28617e-02 2.07895e-02 214
2018  4 8.19385e-02 2.96488e-02 221
2018  5 1.74521e-01 2.43207e-01 156
2018  6 1.25822e-01 5.26057e-02 125
2018  7 9.38042e-02 8.70517e-03 96
2018  8 8.86646e-02 1.00040e-02 65
2018  9 9.38333e-02 2.17149e-02 198
2018 10 1.03985e-01 6.51649e-02 224
2018 11 1.33315e-01 5.49132e-02 96
2018 12 1.59580e-01 2.31237e-02 101
2019  1 2.62960e-01 6.20314e-02 169
2019  2 1.59897e-01 5.17855e-02 64
2019  3 9.12115e-02 1.55008e-02 208
2019  4 8.55819e-02 7.88448e-03 144
2019  5 1.37710e-01 6.16260e-02 192
2019  6 1.94572e-01 6.58194e-02 64
2019  7 1.80890e-01 5.88018e-02 104
2019  8 1.76373e-01 1.03599e-01 112
2019  9 1.10204e-01 2.76160e-02 272
2019 10 8.15722e-02 7.86891e-03 144
2019 11 7.50773e-02 1.10046e-02 176
2019 12 7.63366e-02 6.22257e-03 145
2020  1 7.80437e-02 7.01988e-03 128
2020  2 1.01355e-01 3.57383e-02 130
2020  3 3.13760e-01 4.21318e-01 139
2020  4 1.79163e-01 8.30412e-02 144
2020  5 2.59369e-01 2.17563e-01 128
2020  6 7.00268e-02 1.31807e-02 112
2020  7 1.17523e-01 3.76212e-02 80
2020  8 1.15223e-01 2.69535e-02 112
2020  9 2.37897e-01 2.64117e-01 126
2020 10 1.51096e-01 1.03119e-01 179
2020 11 9.04865e-02 2.68611e-02 208
2020 12 8.23067e-02 2.42667e-02 208
2021  1 9.32917e-02 8.86582e-03 192
2021  2 1.00133e-01 2.60421e-02 128
2021  3 6.59573e-02 7.31760e-03 117
2021  4 5.72716e-02 1.30425e-02 176
2021  5 7.63523e-02 1.80520e-02 88
2021  6 1.64225e-01 1.35599e-01 64
2021  7 2.76196e-01 1.99929e-01 96
2021  8 1.54888e-01 6.98330e-02 125
2021  9 2.40703e-01 2.71717e-01 128
2021 10 1.10987e-01 5.96146e-02 153
2021 11 1.21118e-01 3.72597e-02 227
2021 12 7.32400e-02 4.97121e-03 160
2022  1 1.08374e-01 2.86544e-02 192
2022  2 9.10836e-02 3.35019e-02 201
2022  3 7.52019e-02 1.54477e-02 212
2022  4 6.61901e-02 1.67272e-02 81
2022  5 7.46500e-02 8.11372e-03 128
2022  6 8.25989e-02 1.72934e-02 177
2022  7 7.65891e-02 2.21870e-02 128
2022  8 1.01686e-01 4.43194e-03 119
2022  9 7.51208e-02 8.71133e-03 240
2022 10 6.89547e-02 8.88922e-03 278
2022 11 7.98608e-02 1.08663e-02 204
2022 12 7.17722e-02 1.31677e-02 144
2023  1 7.92744e-02 1.62793e-02 234
2023  2 9.61037e-02 2.16595e-02 160
2023  3 1.33622e-01 6.19647e-02 55
2023  4 8.52512e-02 1.54876e-02 43
2023  5 5.35913e-02 1.62147e-02 160
2023  6 6.28859e-02 1.51240e-02 128
2023  7 1.17193e-01 2.08609e-02 160
2023  8 9.75491e-02 2.24486e-02 224
2023  9 1.02694e-01 2.37086e-02 202
2023 10 8.67540e-02 1.46052e-02 213
2023 11 9.37362e-02 1.27627e-02 160
2023 12 8.20078e-02 5.18755e-03 129
2024  1 8.74271e-02 1.15137e-02 96
2024  2 1.01459e-01 1.31078e-02 91
2024  3 9.57525e-02 2.48104e-02 80
2024  4 9.53937e-02 1.04329e-02 32