Month Percent 1982-01-31 14.9609 1982-02-28 14.29 1982-03-31 13.2872 1982-04-30 14.1233 1982-05-31 13.9579 1982-06-30 13.9294 1982-07-31 13.5011 1982-08-31 12.5778 1982-09-30 11.975 1982-10-31 11.0234 1982-11-30 11.1048 1982-12-31 11.5973 1983-01-31 11.8251 1983-02-28 11.7827 1983-03-31 11.3764 1983-04-30 11.0994 1983-05-31 11.1937 1983-06-30 10.9803 1983-07-31 11.3926 1983-08-31 11.5653 1983-09-30 11.213 1983-10-31 10.9944 1983-11-30 10.7084 1983-12-31 10.7679 1984-01-31 10.7984 1984-02-29 10.8687 1984-03-31 10.6654 1984-04-30 10.8647 1984-05-31 11.3981 1984-06-30 11.6394 1984-07-31 12.0074 1984-08-31 11.4222 1984-09-30 11.2164 1984-10-31 11.0586 1984-11-30 10.7415 1984-12-31 10.8596 1985-01-31 11.3367 1985-02-28 11.4017 1985-03-31 11.206 1985-04-30 10.9437 1985-05-31 11.0994 1985-06-30 10.862 1985-07-31 10.6182 1985-08-31 10.5467 1985-09-30 10.5057 1985-10-31 10.3675 1985-11-30 10.5351 1985-12-31 10.582 1986-01-31 10.9372 1986-02-28 10.54 1986-03-31 9.4748 1986-04-30 8.7351 1986-05-31 8.9579 1986-06-30 9.2411 1986-07-31 9.408 1986-08-31 9.4756 1986-09-30 10.075 1986-10-31 10.7355 1986-11-30 10.9318 1986-12-31 10.7814 1987-01-31 10.0847 1987-02-28 9.8576 1987-03-31 9.1504 1987-04-30 9.1297 1987-05-31 8.8844 1987-06-30 9.0025 1987-07-31 9.3086 1987-08-31 10.0183 1987-09-30 10.0913 1987-10-31 10.0331 1987-11-30 9.2519 1987-12-31 9.6797 1988-01-31 9.7299 1988-02-29 9.501 1988-03-31 9.2292 1988-04-30 9.2447 1988-05-31 9.4368 1988-06-30 9.4772 1988-07-31 9.6857 1988-08-31 9.7044 1988-09-30 9.8401 1988-10-31 9.4726 1988-11-30 9.5647 1988-12-31 9.794 1989-01-31 9.6393 1989-02-28 9.3957 1989-03-31 9.5376 1989-04-30 9.7801 1989-05-31 9.7877 1989-06-30 10.121 1989-07-31 9.7698 1989-08-31 9.5622 1989-09-30 9.7977 1989-10-31 9.9798 1989-11-30 10.0889 1989-12-31 10.0685 1990-01-31 10.3528 1990-02-28 10.7648 1990-03-31 11.5914 1990-04-30 11.8887 1990-05-31 11.6722 1990-06-30 11.1541 1990-07-31 11.2037 1990-08-31 11.5997 1990-09-30 11.5586 1990-10-31 11.281 1990-11-30 11.0035 1990-12-31 10.4294 1991-01-31 10.1871 1991-02-28 9.8393 1991-03-31 10.0514 1991-04-30 9.9466 1991-05-31 10.1319 1991-06-30 10.312 1991-07-31 10.0023 1991-08-31 9.7665 1991-09-30 9.4314 1991-10-31 9.4995 1991-11-30 9.5324 1991-12-31 9.4079 1992-01-31 9.2091 1992-02-29 9.081 1992-03-31 9.3962 1992-04-30 9.1488 1992-05-31 8.8151 1992-06-30 8.9035 1992-07-31 8.7938 1992-08-31 9.043 1992-09-30 8.9854 1992-10-31 8.7792 1992-11-30 8.4153 1992-12-31 8.4594 1993-01-31 8.5063 1993-02-28 8.2471 1993-03-31 7.954 1993-04-30 8.0638 1993-05-31 8.3183 1993-06-30 8.1148 1993-07-31 7.7425 1993-08-31 7.2335 1993-09-30 7.0945 1993-10-31 6.9982 1993-11-30 6.9741 1993-12-31 6.4521 1994-01-31 6.3926 1994-02-28 6.784 1994-03-31 7.4296 1994-04-30 7.7921 1994-05-31 8.2449 1994-06-30 8.651 1994-07-31 8.4695 1994-08-31 8.5447 1994-09-30 8.7728 1994-10-31 8.6406 1994-11-30 8.5067 1994-12-31 8.4265 1995-01-31 8.5735 1995-02-28 8.5012 1995-03-31 8.4501 1995-04-30 8.3107 1995-05-31 8.0691 1995-06-30 8.0389 1995-07-31 8.1996 1995-08-31 8.0727 1995-09-30 7.9285 1995-10-31 8.0922 1995-11-30 7.7845 1995-12-31 7.5185 1996-01-31 7.4628 1996-02-29 7.8029 1996-03-31 8.0837 1996-04-30 8.0649 1996-05-31 8.0999 1996-06-30 8.0852 1996-07-31 7.9556 1996-08-31 7.864 1996-09-30 7.8568 1996-10-31 7.5556 1996-11-30 7.5553 1996-12-31 7.521 1997-01-31 7.5163 1997-02-28 7.1536 1997-03-31 7.4097 1997-04-30 7.5818 1997-05-31 7.0826 1997-06-30 7.0397 1997-07-31 6.9205 1997-08-31 6.9655 1997-09-30 6.7 1997-10-31 6.3732 1997-11-30 6.4649 1997-12-31 6.2197 1998-01-31 5.9569 1998-02-28 5.9128 1998-03-31 5.8503 1998-04-30 5.689 1998-05-31 5.7312 1998-06-30 5.6028 1998-07-31 5.6523 1998-08-31 5.4134 1998-09-30 5.0262 1998-10-31 4.9345 1998-11-30 4.8484 1998-12-31 4.4517 1999-01-31 4.2265 1999-02-28 4.3691 1999-03-31 4.5874 1999-04-30 4.5183 1999-05-31 4.8295 1999-06-30 5.0761 1999-07-31 5.2692 1999-08-31 5.2856 1999-09-30 5.5343 1999-10-31 5.7012 1999-11-30 5.127 1999-12-31 5.2056 2000-01-31 5.6221 2000-02-29 5.4379 2000-03-31 5.1816 2000-04-30 5.1409 2000-05-31 5.2306 2000-06-30 5.0488 2000-07-31 5.0879 2000-08-31 5.1804 2000-09-30 5.2467 2000-10-31 5.0879 2000-11-30 4.9765 2000-12-31 4.7994 2001-01-31 4.7423 2001-02-28 4.724 2001-03-31 4.6151 2001-04-30 4.8772 2001-05-31 5.0388 2001-06-30 5.1053 2001-07-31 5.1106 2001-08-31 4.9063 2001-09-30 4.9374 2001-10-31 4.7807 2001-11-30 4.5876 2001-12-31 4.8392 2002-01-31 4.8597 2002-02-28 4.8666 2002-03-31 5.1556 2002-04-30 5.1727 2002-05-31 5.2116 2002-06-30 5.0424 2002-07-31 4.9605 2002-08-31 4.7243 2002-09-30 4.4812 2002-10-31 4.6055 2002-11-30 4.6263 2002-12-31 4.5506 2003-01-31 4.3822 2003-02-28 4.2209 2003-03-31 4.3386 2003-04-30 4.4792 2003-05-31 4.231 2003-06-30 4.1268 2003-07-31 4.4284 2003-08-31 4.5936 2003-09-30 4.6834 2003-10-31 4.8785 2003-11-30 5.0296 2003-12-31 4.8675 2004-01-31 4.7587 2004-02-29 4.7765 2004-03-31 4.674 2004-04-30 4.918 2004-05-31 5.0596 2004-06-30 5.1342 2004-07-31 5.0435 2004-08-31 4.9452 2004-09-30 4.8562 2004-10-31 4.7234 2004-11-30 4.6455 2004-12-31 4.4885 2005-01-31 4.5004 2005-02-28 4.5367 2005-03-31 4.7419 2005-04-30 4.5753 2005-05-31 4.3748 2005-06-30 4.2466 2005-07-31 4.2681 2005-08-31 4.2856 2005-09-30 4.1709 2005-10-31 4.3072 2005-11-30 4.2626 2005-12-31 4.1672 2006-01-31 4.019 2006-02-28 4.0992 2006-03-31 4.2599 2006-04-30 4.4635 2006-05-31 4.5827 2006-06-30 4.5967 2006-07-31 4.5878 2006-08-31 4.5749 2006-09-30 4.4697 2006-10-31 4.5287 2006-11-30 4.4554 2006-12-31 4.5301 2007-01-31 4.7577 2007-02-28 4.7896 2007-03-31 4.7198 2007-04-30 4.9348 2007-05-31 5.0302 2007-06-30 5.3099 2007-07-31 5.2899 2007-08-31 5.0468 2007-09-30 4.912 2007-10-31 4.8838 2007-11-30 4.6734 2007-12-31 4.6506 2008-01-31 4.4628 2008-02-29 4.6092 2008-03-31 4.4489 2008-04-30 4.6418 2008-05-31 4.8383 2008-06-30 5.1394 2008-07-31 4.9973 2008-08-31 4.6919 2008-09-30 4.5511 2008-10-31 4.5873 2008-11-30 4.3188 2008-12-31 3.6594 2009-01-31 3.7487 2009-02-28 3.7984 2009-03-31 3.3264 2009-04-30 3.4794 2009-05-31 3.7274 2009-06-30 3.8165 2009-07-31 3.9124 2009-08-31 3.8053 2009-09-30 3.7587 2009-10-31 3.67 2009-11-30 3.8712 2009-12-31 4.0162 2010-01-31 4.16 2010-02-28 4.2212 2010-03-31 4.2345 2010-04-30 4.2503 2010-05-31 3.9095 2010-06-30 3.7076 2010-07-31 3.611 2010-08-31 3.3227 2010-09-30 3.2238 2010-10-31 3.1732 2010-11-30 3.4256 2010-12-31 3.7234 2011-01-31 3.8403 2011-02-28 3.9952 2011-03-31 3.8473 2011-04-30 3.8744 2011-05-31 3.6111 2011-06-30 3.5253 2011-07-31 3.425 2011-08-31 2.8681 2011-09-30 2.5625 2011-10-31 2.6052 2011-11-30 2.3599 2011-12-31 2.2415 2012-01-31 2.1699 2012-02-29 2.2869 2012-03-31 2.3545 2012-04-30 2.2214 2012-05-31 1.9841 2012-06-30 1.8085 2012-07-31 1.6902 2012-08-31 1.7218 2012-09-30 1.765 2012-10-31 1.8116 2012-11-30 1.8154 2012-12-31 1.8896 2013-01-31 2.1304 2013-02-28 2.2352 2013-03-31 2.0388 2013-04-30 1.8329 2013-05-31 2.0052 2013-06-30 2.3746 2013-07-31 2.5525 2013-08-31 2.8034 2013-09-30 2.9384 2013-10-31 2.7592 2013-11-30 2.8469 2013-12-31 3.0481 2014-01-31 2.9871 2014-02-28 2.8761 2014-03-31 2.8541 2014-04-30 2.811 2014-05-31 2.7609 2014-06-30 2.8425 2014-07-31 2.7738 2014-08-31 2.5666 2014-09-30 2.5213 2014-10-31 2.2733 2014-11-30 2.1846 2014-12-31 1.9345 2015-01-31 1.5917 2015-02-28 1.7343 2015-03-31 1.7789 2015-04-30 1.7281 2015-05-31 2.0367 2015-06-30 2.1773 2015-07-31 2.1422 2015-08-31 1.962 2015-09-30 1.8663 2015-10-31 1.838 2015-11-30 1.9816 2015-12-31 1.9202 2016-01-31 1.7837 2016-02-29 1.5093 2016-03-31 1.5534 2016-04-30 1.5808 2016-05-31 1.5411 2016-06-30 1.2985 2016-07-31 0.9088 2016-08-31 0.7122 2016-09-30 0.8041 2016-10-31 1.085 2016-11-30 1.4038 2016-12-31 1.456 2017-01-31 1.4426 2017-02-28 1.3227 2017-03-31 1.2057 2017-04-30 1.085 2017-05-31 1.1251 2017-06-30 1.0887 2017-07-31 1.2861 2017-08-31 1.1338 2017-09-30 1.2564 2017-10-31 1.3969 2017-11-30 1.3413 2017-12-31 1.284 2018-01-31 1.4053 2018-02-28 1.6276 2018-03-31 1.5255 2018-04-30 1.5264 2018-05-31 1.5168 2018-06-30 1.433 2018-07-31 1.3835 2018-08-31 1.4071 2018-09-30 1.5105 2018-10-31 1.5525 2018-11-30 1.4428 2018-12-31 1.2802 2019-01-31 1.3021 2019-02-28 1.2301 2019-03-31 1.1741 2019-04-30 1.1721 2019-05-31 1.0975 2019-06-30 0.9146 2019-07-31 0.778 2019-08-31 0.5162 2019-09-30 0.5404 2019-10-31 0.5829 2019-11-30 0.7117 2019-12-31 0.7792 2020-01-31 0.6707 2020-02-29 0.572 2020-03-31 0.4045 2020-04-30 0.3154 2020-05-31 0.2327 2020-06-30 0.2432 2020-07-31 0.1752 2020-08-31 0.2474 2020-09-30 0.2521 2020-10-31 0.2836 2020-11-30 0.3574 2020-12-31 0.2986 2021-01-31 0.3317 2021-02-28 0.6203 2021-03-31 0.861 2021-04-30 0.8656 2021-05-31 0.9209 2021-06-30 0.866 2021-07-31 0.7033 2021-08-31 0.6483 2021-09-30 0.8072 2021-10-31 1.097 2021-11-30 0.9324 2021-12-31 0.8184 2022-01-31 1.1893 2022-02-28 1.4538 2022-03-31 1.5168 2022-04-30 1.8174 2022-05-31 1.9168 2022-06-30 2.3989 2022-07-31 2.127 2022-08-31 2.2856 2022-09-30 3.4429 2022-10-31 4.0324 2022-11-30 3.4208 2022-12-31 3.422 2023-01-31 3.4642 2023-02-28 3.519 2023-03-31 3.4936 2023-04-30 3.5977 2023-05-31 3.8984 2023-06-30 4.241 2023-07-31 4.3177 2023-08-31 4.4243 2023-09-30 4.3442 2023-10-31 4.527 2023-11-30 4.2321 2023-12-31 3.8116 2024-01-31 3.8871