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 8.01272e-03 1.57732e-03 427 2002 8 6.44960e-03 5.42682e-04 212 2002 9 7.25420e-03 1.08774e-03 388 2002 10 7.53469e-03 9.75976e-04 734 2002 11 9.93912e-03 3.66903e-03 594 2002 12 1.10053e-02 2.27021e-03 685 2003 1 1.48111e-02 3.07601e-03 589 2003 2 1.57671e-02 3.83296e-03 830 2003 3 1.72765e-02 8.47365e-03 691 2003 4 8.82662e-03 1.37352e-03 354 2003 5 7.60840e-03 2.71991e-03 336 2003 6 9.34434e-03 1.22391e-03 192 2003 7 8.62715e-03 2.34009e-03 192 2003 8 1.06602e-02 2.28528e-03 381 2003 9 1.11322e-02 5.03944e-03 355 2003 10 1.08791e-02 5.48911e-03 433 2003 11 1.49665e-02 4.74175e-03 384 2003 12 1.44944e-02 4.50215e-03 386 2004 1 1.34768e-02 1.85239e-03 525 2004 2 1.28807e-02 2.76209e-03 682 2004 3 1.04726e-02 1.34752e-03 618 2004 4 1.12121e-02 1.28593e-03 524 2004 5 9.93287e-03 1.35266e-03 256 2004 6 7.88683e-03 8.61027e-04 476 2004 7 9.07091e-03 1.32630e-03 446 2004 8 1.03332e-02 1.44529e-03 546 2004 9 9.78614e-03 3.84447e-03 215 2004 10 9.67014e-03 1.71840e-03 478 2004 11 9.76951e-03 1.28463e-03 527 2004 12 1.15874e-02 4.01955e-03 575 2005 1 1.23010e-02 3.22454e-03 891 2005 2 1.31799e-02 2.56368e-03 664 2005 3 1.37186e-02 3.94135e-03 603 2005 4 1.08408e-02 1.28540e-03 576 2005 5 9.37372e-03 7.95402e-04 429 2005 6 9.29978e-03 2.34054e-03 320 2005 7 7.82184e-03 2.93700e-04 193 2005 8 1.06607e-02 3.52159e-03 510 2005 9 1.62133e-02 3.74419e-03 512 2005 10 9.43524e-03 2.55012e-03 563 2005 11 1.37775e-02 5.54742e-03 828 2005 12 5.45906e-02 2.47050e-02 795 2006 1 1.63640e-02 7.44903e-03 918 2006 2 1.71553e-02 4.75140e-03 703 2006 3 1.36721e-02 9.82888e-03 614 2006 4 8.45451e-03 2.11925e-03 608 2006 5 9.87216e-03 2.63196e-03 620 2006 6 9.89020e-03 2.00908e-03 426 2006 7 8.58995e-03 2.72563e-04 178 2006 8 1.19525e-02 2.93081e-03 185 2006 9 1.05870e-02 5.50559e-03 430 2006 10 8.29221e-03 1.19114e-03 535 2006 11 1.29516e-02 3.24208e-03 473 2006 12 1.12839e-02 1.57680e-03 284 2007 1 1.07298e-02 8.32275e-04 525 2007 2 1.30134e-02 2.59923e-03 451 2007 3 1.11132e-02 1.92880e-03 434 2007 4 9.46017e-03 3.94755e-04 366 2007 5 7.10991e-03 9.78613e-04 305 2007 6 9.31857e-03 2.59946e-03 400 2007 7 7.83753e-03 1.52994e-03 518 2007 8 9.35133e-03 1.86601e-03 314 2007 9 9.24643e-03 1.44033e-03 358 2007 10 9.61211e-03 1.09558e-03 473 2007 11 1.10615e-02 2.30933e-03 630 2007 12 1.27096e-02 4.53790e-03 630 2008 1 1.31190e-02 3.00763e-03 812 2008 2 1.23445e-02 1.97777e-03 376 2008 3 1.18383e-02 1.74985e-03 546 2008 4 9.28484e-03 5.96554e-04 355 2008 5 8.76882e-03 1.72120e-03 512 2008 6 7.98628e-03 8.75674e-04 341 2008 7 8.35898e-03 4.02582e-04 275 2008 8 9.85768e-03 2.36282e-03 401 2008 9 9.65747e-03 1.08304e-03 324 2008 10 8.26914e-03 1.38751e-03 472 2008 11 1.11460e-02 1.07811e-03 764 2008 12 1.18396e-02 1.71048e-03 637 2009 1 1.87375e-02 7.03218e-03 603 2009 2 1.50807e-02 4.40244e-03 543 2009 3 1.15166e-02 3.72093e-03 521 2009 4 1.11066e-02 1.39679e-03 323 2009 5 8.72749e-03 1.00854e-03 518 2009 6 1.02352e-02 3.12031e-03 256 2009 7 9.91298e-03 1.24849e-03 263 2009 8 8.82385e-03 1.07830e-03 391 2009 9 1.03776e-02 2.16988e-03 298 2009 10 1.01488e-02 1.59500e-03 509 2009 11 1.26284e-02 3.97853e-03 590 2009 12 1.34108e-02 5.93217e-03 448 2010 1 1.39084e-02 2.09312e-03 325 2010 2 1.68873e-02 4.26489e-03 539 2010 3 2.01962e-02 5.20844e-03 593 2010 4 1.21055e-02 1.64850e-03 512 2010 5 8.32106e-03 6.12413e-04 400 2010 6 9.30924e-03 1.39833e-03 556 2010 7 1.15403e-02 2.12528e-03 418 2010 8 8.16076e-03 1.33977e-03 430 2010 9 1.13196e-02 9.78021e-04 210 2010 10 1.12086e-02 4.04225e-03 717 2010 11 1.29610e-02 5.40183e-03 791 2010 12 1.30884e-02 3.41581e-03 988 2011 1 1.34902e-02 4.08173e-03 640 2011 2 2.02649e-02 7.23902e-03 1009 2011 3 1.43412e-02 4.16578e-03 683 2011 4 9.69568e-03 1.06159e-03 434 2011 5 1.03463e-02 2.59009e-03 411 2011 6 8.13704e-03 1.65402e-03 403 2011 7 1.05061e-02 1.73490e-03 417 2011 8 8.47125e-03 6.59478e-04 59 2011 9 1.39557e-02 2.99582e-03 613 2011 10 1.55845e-02 2.42810e-03 404 2011 11 1.24910e-02 4.41482e-03 837 2011 12 1.14554e-02 7.32882e-03 730 2012 1 1.14337e-02 2.33045e-03 628 2012 2 1.15119e-02 1.03469e-03 271 2012 3 1.00102e-02 7.82497e-04 465 2012 4 1.11012e-02 1.62362e-03 451 2012 5 1.01844e-02 2.24947e-03 383 2012 6 8.95465e-03 2.84531e-03 163 2012 7 9.25850e-03 6.36561e-04 65 2012 8 1.37426e-02 3.18025e-03 416 2012 9 1.54362e-02 4.56643e-03 600 2012 10 1.20855e-02 3.50297e-03 406 2012 11 1.18628e-02 2.18193e-03 741 2012 12 1.08327e-02 1.56873e-03 325 2013 1 9.54189e-03 3.26387e-03 507 2013 2 1.24180e-02 1.96147e-03 658 2013 3 1.34662e-02 1.45785e-03 650 2013 4 1.21239e-02 1.99803e-03 290 2013 5 9.74270e-03 1.06955e-03 448 2013 6 1.28110e-02 3.12826e-04 64 2013 7 9.03913e-03 9.48942e-04 384 2013 8 9.32829e-03 1.03520e-03 131 2013 9 1.48921e-02 3.48602e-03 429 2013 10 1.07883e-02 2.09078e-03 691 2013 11 9.95519e-03 9.27526e-04 361 2013 12 1.20516e-02 5.07952e-03 411 2014 1 1.39142e-02 1.70503e-03 395 2014 2 1.13681e-02 2.07808e-03 492 2014 3 1.13745e-02 1.61330e-03 795 2014 4 1.02919e-02 3.56242e-03 418 2014 5 7.47039e-03 6.64754e-04 384 2014 6 8.45156e-03 1.14642e-03 404 2014 7 9.08761e-03 4.04197e-03 305 2014 8 1.92233e-02 1.09915e-02 512 2014 9 1.48380e-02 7.60549e-04 66 2014 10 1.42341e-02 3.12271e-03 688 2014 11 1.38171e-02 3.41141e-03 733 2014 12 1.29061e-02 3.14095e-03 511 2015 1 1.32599e-02 2.69016e-03 745 2015 2 1.43151e-02 2.29318e-03 657 2015 3 1.04541e-02 1.30933e-03 776 2015 4 8.84516e-03 6.71759e-04 255 2015 5 9.75728e-03 2.64543e-03 451 2015 6 7.95786e-03 1.09925e-03 405 2015 7 1.62705e-02 6.48958e-03 389 2015 8 2.16868e-02 6.87608e-03 475 2015 9 1.99927e-02 4.79598e-03 367 2015 10 1.10638e-02 1.58990e-03 574 2015 11 1.27807e-02 4.33365e-03 398 2015 12 1.71343e-02 4.52581e-03 493 2016 1 1.77206e-02 2.77463e-03 195 2016 2 1.87420e-02 4.99227e-03 308 2016 3 1.21703e-02 2.21709e-03 380 2016 4 9.99238e-03 9.20773e-04 442 2016 5 1.23431e-02 2.35982e-03 448 2016 6 1.71143e-02 1.45457e-02 421 2016 7 9.57299e-03 1.78002e-03 399 2016 8 1.15370e-02 9.45527e-04 219 2016 9 1.20449e-02 3.09891e-03 372 2016 10 1.53289e-02 4.75433e-03 367 2016 11 1.59516e-02 5.49511e-03 656 2016 12 1.52589e-02 3.62826e-03 265 2017 1 1.25994e-02 3.78613e-03 649 2017 2 1.50241e-02 3.14703e-03 696 2017 3 1.07635e-02 3.16697e-03 462 2017 4 9.32870e-03 5.63496e-04 384 2017 5 9.07732e-03 6.47143e-04 536 2017 6 8.45796e-03 5.68905e-04 330 2017 7 9.30619e-03 1.08112e-03 310 2017 8 1.29292e-02 3.82016e-03 347 2017 9 1.83844e-02 6.28918e-03 499 2017 10 2.36117e-02 1.23436e-02 343 2017 11 1.57355e-02 5.51665e-03 794 2017 12 1.25687e-02 1.89997e-03 916 2018 1 1.80535e-02 4.77748e-03 625 2018 2 1.61477e-02 4.05118e-03 797 2018 3 1.19215e-02 1.62636e-03 387 2018 4 1.09574e-02 3.07240e-03 659 2018 5 1.12405e-02 8.57517e-04 99 2018 6 1.10930e-02 7.99132e-04 128 2018 7 1.16390e-02 1.75308e-03 585 2018 8 8.95217e-03 1.13347e-03 332 2018 9 1.69952e-02 5.18578e-03 311 2018 10 2.49572e-02 1.05883e-02 385 2018 11 1.50686e-02 5.77743e-03 423 2018 12 1.37567e-02 2.88680e-03 650 2019 1 1.31999e-02 3.94606e-03 569 2019 2 1.30922e-02 2.95075e-03 909 2019 3 1.11417e-02 1.44332e-03 651 2019 4 1.10982e-02 2.28388e-03 576 2019 5 9.78692e-03 1.53577e-03 472 2019 6 1.04239e-02 2.51313e-03 616 2019 7 9.91251e-03 2.99715e-03 466 2019 8 1.08775e-02 1.77598e-03 457 2019 9 1.22583e-02 3.60304e-03 457 2019 10 1.03988e-02 2.11780e-03 548 2019 11 1.12982e-02 1.86763e-03 591 2019 12 1.16130e-02 2.60448e-03 535 2020 1 1.33857e-02 3.74137e-03 767 2020 2 1.65401e-02 7.11728e-03 464 2020 3 1.15169e-02 1.85312e-03 533 2020 4 1.09569e-02 7.31482e-04 290 2020 5 1.04330e-02 2.03744e-03 373 2020 6 1.06492e-02 1.79244e-03 281 2020 7 1.06189e-02 1.47971e-03 313 2020 8 8.90669e-03 8.29772e-04 634 2020 9 9.52588e-03 3.20492e-03 492 2020 10 1.02840e-02 1.31039e-03 318 2020 11 1.05095e-02 2.49374e-03 340 2020 12 1.57215e-02 4.41310e-03 573 2021 1 1.47986e-02 3.04764e-03 662 2021 2 1.70702e-02 5.59849e-03 563 2021 3 1.08745e-02 1.20081e-03 697 2021 4 1.13285e-02 2.11519e-03 373 2021 5 8.60133e-03 1.35959e-03 555 2021 6 9.78440e-03 3.42213e-03 383 2021 7 8.67095e-03 8.99715e-04 584 2021 8 1.20883e-02 3.40329e-03 390 2021 9 1.74449e-02 5.52220e-03 647 2021 10 1.97171e-02 9.75312e-03 488 2021 11 3.52511e-02 1.15846e-01 502 2021 12 9.20783e-03 2.11470e-03 811 2022 1 1.17974e-02 4.31264e-03 681 2022 2 1.36635e-02 3.84367e-03 582 2022 3 1.17042e-02 2.82775e-03 341 2022 4 1.10465e-02 2.13793e-03 84 2022 5 1.03493e-02 1.51414e-03 542 2022 6 9.97726e-03 1.15977e-03 399 2022 7 1.12294e-02 1.13342e-03 218 2022 8 1.38701e-02 2.60602e-03 381 2022 9 3.05405e-02 2.22497e-02 618 2022 10 1.61015e-02 5.31522e-03 783 2022 11 1.01781e-02 1.79302e-03 611 2022 12 1.20027e-02 3.22654e-03 519 2023 1 1.36193e-02 4.25711e-03 822 2023 2 1.38523e-02 3.27852e-03 664 2023 3 1.09954e-02 1.59147e-03 624 2023 4 8.42031e-03 1.23641e-03 489 2023 5 9.10539e-03 7.74228e-04 657 2023 6 1.32845e-02 8.37359e-03 404 2023 7 2.06914e-02 1.22848e-02 335 2023 8 1.06984e-02 3.66128e-03 534 2023 9 2.31086e-02 1.09443e-02 305 2023 10 2.63679e-02 8.73783e-03 464 2023 11 1.64123e-02 4.22723e-03 368 2023 12 1.42302e-02 3.11274e-03 411 2024 1 1.29291e-02 4.32431e-03 369 2024 2 1.57553e-02 3.97171e-03 644 2024 3 8.84002e-03 1.77890e-03 563 2024 4 nan nan 0