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 1.57080e-02 2.13887e-03 48 2002 8 8.83490e-03 1.89380e-03 52 2002 9 1.18065e-02 5.12581e-04 121 2002 10 7.04538e-03 1.66761e-02 277 2002 11 9.44148e-03 1.15837e-02 268 2002 12 1.09629e-02 1.13007e-02 421 2003 1 1.65924e-02 1.61540e-02 521 2003 2 1.78920e-02 2.20388e-03 133 2003 3 1.03179e-02 1.65258e-03 162 2003 4 1.29599e-02 9.77151e-03 101 2003 5 6.37783e-03 2.07953e-02 34 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 1.31838e-02 2.14546e-03 132 2003 9 1.16815e-02 4.55034e-04 148 2003 10 -2.29378e-02 5.03189e-02 169 2003 11 -4.50272e-03 3.80655e-02 211 2003 12 1.20037e-02 1.27201e-02 378 2004 1 1.94840e-02 1.06278e-02 654 2004 2 1.73495e-02 1.06152e-02 510 2004 3 1.49480e-02 6.12256e-03 203 2004 4 1.13990e-02 1.92850e-02 302 2004 5 5.12112e-03 1.78849e-02 100 2004 6 1.13588e-02 4.57411e-04 85 2004 7 1.39001e-02 4.00719e-04 64 2004 8 9.55368e-03 1.87201e-04 22 2004 9 1.46943e-02 5.81730e-04 55 2004 10 1.46489e-02 3.94234e-03 301 2004 11 1.60392e-02 3.00621e-03 268 2004 12 1.59719e-02 6.03854e-03 573 2005 1 1.89801e-02 2.30866e-02 382 2005 2 2.21455e-02 2.10286e-02 525 2005 3 1.35086e-02 2.66757e-03 371 2005 4 7.81457e-04 2.36604e-02 45 2005 5 1.07230e-02 7.92451e-03 61 2005 6 1.30453e-02 8.98739e-04 68 2005 7 8.81538e-03 2.21699e-04 121 2005 8 9.58747e-03 4.06496e-04 43 2005 9 1.30609e-02 3.40681e-03 132 2005 10 2.37682e-02 3.35618e-03 36 2005 11 1.41541e-02 1.45510e-02 680 2005 12 1.81579e-02 1.24479e-02 531 2006 1 1.90948e-02 2.83141e-02 528 2006 2 1.81413e-02 3.82695e-03 418 2006 3 2.27819e-02 7.51097e-03 277 2006 4 1.29843e-02 1.37919e-03 178 2006 5 1.52069e-02 1.31625e-03 130 2006 6 nan nan 0 2006 7 1.39866e-02 1.03623e-02 201 2006 8 1.41620e-02 9.23254e-04 128 2006 9 1.36942e-02 3.97889e-03 243 2006 10 1.44885e-02 3.36783e-03 172 2006 11 1.10633e-02 1.81462e-02 356 2006 12 1.56062e-02 1.70062e-02 596 2007 1 2.54308e-02 9.81912e-03 629 2007 2 1.40597e-02 9.65048e-02 441 2007 3 1.20649e-02 4.45226e-02 42 2007 4 1.78418e-02 3.93067e-03 206 2007 5 9.95755e-03 2.18398e-02 64 2007 6 nan nan 0 2007 7 1.00266e-02 4.41372e-03 48 2007 8 1.36560e-02 2.20306e-03 77 2007 9 1.59305e-02 2.20880e-03 121 2007 10 1.34798e-02 2.12023e-03 83 2007 11 1.63034e-02 2.34951e-02 383 2007 12 2.21863e-02 1.45718e-02 483 2008 1 1.93925e-02 6.10593e-03 609 2008 2 3.28918e-03 4.87629e-02 403 2008 3 2.13430e-02 5.86976e-03 445 2008 4 -2.08783e-02 6.23859e-02 14 2008 5 7.42624e-03 1.89854e-02 115 2008 6 1.92808e-02 3.62946e-04 64 2008 7 1.56120e-02 3.34532e-03 128 2008 8 1.13892e-02 1.23586e-03 226 2008 9 1.39209e-02 1.32476e-03 128 2008 10 1.97430e-02 1.30335e-02 205 2008 11 1.44579e-02 1.84348e-02 476 2008 12 1.86016e-02 4.62799e-03 542 2009 1 1.35130e-02 1.98374e-02 487 2009 2 1.50411e-02 1.59796e-02 377 2009 3 1.43008e-02 1.49437e-02 183 2009 4 2.30856e-02 1.06775e-02 230 2009 5 -5.69668e-03 6.05966e-02 153 2009 6 nan nan 0 2009 7 1.13693e-02 8.93431e-04 104 2009 8 1.50236e-02 3.19176e-03 129 2009 9 4.76684e-03 1.32565e-02 33 2009 10 1.57985e-02 5.57331e-03 384 2009 11 1.83159e-02 5.27106e-03 369 2009 12 2.02736e-02 1.14436e-02 426 2010 1 2.59264e-02 9.03450e-03 457 2010 2 1.03932e-02 3.17736e-02 397 2010 3 2.55684e-03 2.24863e-02 193 2010 4 1.58178e-02 2.61094e-03 97 2010 5 -2.17269e-02 1.09490e-01 127 2010 6 1.02227e-02 4.60952e-03 190 2010 7 -6.11015e-02 1.82080e-02 64 2010 8 -1.44266e-02 5.32769e-02 62 2010 9 1.84716e-02 5.13436e-03 325 2010 10 1.60593e-02 1.15695e-02 290 2010 11 9.02410e-03 4.23764e-02 392 2010 12 2.91320e-03 3.96773e-02 298 2011 1 1.87179e-02 1.01801e-02 510 2011 2 1.06249e-02 2.72043e-02 543 2011 3 2.06590e-02 2.17156e-03 316 2011 4 1.43577e-02 1.85794e-03 414 2011 5 2.84009e-03 1.59918e-02 159 2011 6 1.16019e-02 0.00000e+00 2 2011 7 6.46289e-03 7.60365e-04 42 2011 8 -1.34238e-02 0.00000e+00 1 2011 9 2.32778e-03 6.81199e-02 75 2011 10 1.27645e-02 8.46713e-03 280 2011 11 1.31329e-02 1.70090e-03 229 2011 12 1.66584e-02 8.35057e-03 633 2012 1 2.06587e-02 6.23012e-03 420 2012 2 1.70591e-02 1.15551e-02 516 2012 3 1.17759e-02 8.25060e-04 130 2012 4 1.80609e-02 4.07871e-03 221 2012 5 nan nan 0 2012 6 2.05396e-02 1.87189e-03 34 2012 7 1.70472e-02 5.49861e-04 34 2012 8 1.05672e-02 1.82541e-02 182 2012 9 -4.01881e-03 2.54824e-02 153 2012 10 7.18378e-04 5.82530e-02 88 2012 11 1.60903e-02 1.09245e-02 369 2012 12 1.82636e-02 1.24048e-02 542 2013 1 2.80948e-02 6.52562e-03 384 2013 2 2.38610e-02 1.01212e-02 455 2013 3 6.20309e-03 2.32419e-02 210 2013 4 7.30681e-03 1.26958e-02 212 2013 5 1.02266e-02 1.38615e-02 71 2013 6 nan nan 0 2013 7 1.51281e-02 2.19395e-03 193 2013 8 1.92150e-02 2.50244e-03 37 2013 9 1.35132e-02 1.37106e-02 80 2013 10 1.49658e-02 1.83424e-03 143 2013 11 1.43856e-02 1.64382e-02 347 2013 12 2.03505e-02 4.64620e-03 520 2014 1 2.47272e-02 7.70612e-03 662 2014 2 3.44416e-02 1.03072e-01 201 2014 3 1.45007e-02 2.64821e-02 262 2014 4 7.74566e-03 1.04622e-02 74 2014 5 1.01109e-02 1.57065e-02 183 2014 6 4.13752e-03 3.08356e-02 86 2014 7 1.48060e-02 2.96483e-04 13 2014 8 7.32673e-03 2.42083e-02 187 2014 9 1.11681e-02 1.77718e-03 11 2014 10 7.28528e-03 1.53564e-02 226 2014 11 1.77053e-02 4.17088e-03 389 2014 12 1.84727e-02 7.25466e-03 418 2015 1 2.08559e-02 5.79197e-03 540 2015 2 1.15225e-02 5.10018e-02 386 2015 3 1.93235e-02 4.31395e-03 419 2015 4 1.53937e-02 5.72545e-03 153 2015 5 5.79666e-03 1.69729e-02 75 2015 6 nan nan 0 2015 7 2.01894e-02 3.04106e-04 60 2015 8 9.63907e-03 1.04051e-02 192 2015 9 1.45638e-02 1.89635e-03 231 2015 10 9.87075e-03 1.90070e-02 305 2015 11 -3.76694e-03 3.42261e-02 185 2015 12 1.82563e-02 8.24987e-03 327 2016 1 1.93514e-02 1.43852e-02 313 2016 2 2.74246e-02 9.67615e-03 183 2016 3 1.84231e-02 4.92929e-03 270 2016 4 -2.74457e-03 2.22785e-02 149 2016 5 nan nan 0 2016 6 7.43440e-03 5.15143e-02 10 2016 7 1.33387e-02 5.64180e-04 128 2016 8 1.00477e-02 2.20292e-03 104 2016 9 1.38713e-02 1.52944e-03 149 2016 10 1.56621e-02 7.16595e-03 244 2016 11 1.83971e-02 6.07547e-03 215 2016 12 2.83070e-02 8.98282e-03 143 2017 1 2.12551e-02 2.38128e-02 484 2017 2 1.24356e-02 1.81247e-02 486 2017 3 3.08975e-02 8.18214e-03 194 2017 4 1.35949e-02 2.23805e-02 188 2017 5 8.89413e-03 1.62478e-04 36 2017 6 1.22493e-02 2.42450e-03 95 2017 7 -4.78447e+00 3.99147e+01 140 2017 8 1.95479e-02 1.17301e-02 123 2017 9 2.24803e-02 8.96721e-03 86 2017 10 1.62012e-02 1.07017e-03 132 2017 11 1.72794e-02 1.71214e-02 192 2017 12 1.85474e-02 2.58063e-02 423 2018 1 2.18523e-02 6.90280e-03 531 2018 2 1.87987e-02 2.65454e-02 324 2018 3 3.18560e-02 4.09169e-03 315 2018 4 -1.46143e-03 2.29316e-02 137 2018 5 1.02945e-02 1.57066e-02 110 2018 6 -3.90954e-02 3.46499e-02 111 2018 7 9.58755e-03 1.70370e-03 86 2018 8 1.19626e-02 5.04900e-04 93 2018 9 9.91585e-03 9.42191e-04 51 2018 10 -1.13742e-02 3.91095e-02 349 2018 11 -1.84757e-03 3.62472e-02 516 2018 12 2.27613e-02 7.53650e-03 249 2019 1 1.67987e-02 2.28907e-02 401 2019 2 1.64358e-02 7.81528e-03 208 2019 3 1.72185e-02 2.48774e-02 230 2019 4 4.05050e-03 2.99417e-02 221 2019 5 nan nan 0 2019 6 1.08684e-02 1.88484e-02 101 2019 7 5.56912e-03 1.21144e-02 34 2019 8 1.13236e-02 2.49691e-03 69 2019 9 1.17650e-02 1.07157e-02 192 2019 10 1.47854e-02 4.13309e-03 419 2019 11 1.22099e-02 1.92964e-02 310 2019 12 7.24793e-03 2.71129e-02 294 2020 1 1.57031e-02 8.97422e-03 282 2020 2 2.10304e-02 8.60341e-03 279 2020 3 1.50426e-02 7.42752e-03 338 2020 4 1.07162e-02 1.10197e-02 373 2020 5 1.34309e-02 1.00260e-03 128 2020 6 -8.85454e-03 2.61389e-02 167 2020 7 1.01733e-02 2.02611e-03 125 2020 8 -9.37144e-04 2.11912e-02 150 2020 9 8.99102e-03 1.04219e-02 171 2020 10 1.20990e-02 9.06007e-04 258 2020 11 7.32205e-03 2.51650e-02 519 2020 12 9.74228e-03 2.25395e-02 576 2021 1 1.46004e-02 3.02347e-02 473 2021 2 1.16764e-02 2.68337e-02 489 2021 3 -2.15294e-03 2.99671e-02 410 2021 4 -3.59195e-03 2.92817e-02 337 2021 5 1.26140e-02 1.90724e-03 84 2021 6 2.98086e-02 2.26457e-03 30 2021 7 1.82656e-02 4.08052e-03 128 2021 8 1.29028e-02 4.60532e-04 125 2021 9 1.25558e-02 1.27197e-03 242 2021 10 1.09188e-02 7.31198e-03 363 2021 11 9.53155e-03 2.34198e-02 454 2021 12 2.44163e-03 3.20058e-02 333 2022 1 1.59805e-02 7.66635e-03 658 2022 2 1.54379e-02 1.82392e-03 386 2022 3 1.44467e-02 1.96493e-03 90 2022 4 1.02545e-02 1.37083e-03 79 2022 5 1.13413e-02 7.27192e-04 131 2022 6 6.39755e-03 9.35794e-04 79 2022 7 6.14294e-03 2.55540e-04 28 2022 8 1.58458e-02 1.21783e-02 70 2022 9 1.24791e-02 2.33038e-03 129 2022 10 1.09294e-02 1.76087e-03 191 2022 11 1.15369e-02 4.76853e-03 697 2022 12 1.53025e-02 3.93164e-03 704 2023 1 1.31788e-02 5.44163e-03 592 2023 2 9.36666e-03 2.14537e-03 527 2023 3 1.35339e-02 3.08263e-03 561 2023 4 7.43126e-03 1.78575e-03 388 2023 5 6.26052e-03 7.21287e-04 273 2023 6 1.25790e-02 8.39335e-04 128 2023 7 nan nan 0 2023 8 9.36724e-03 1.64135e-03 128 2023 9 9.48174e-03 1.57170e-03 191 2023 10 9.66295e-03 2.57627e-03 299 2023 11 1.55356e-02 4.33027e-03 456 2023 12 1.73361e-02 7.32984e-03 549 2024 1 1.79125e-02 7.63930e-03 490 2024 2 2.09621e-02 7.20872e-03 463 2024 3 1.01816e-02 1.82144e-03 276 2024 4 1.22404e-02 9.73640e-04 119