Month Number 1960-01-01 3542 1960-02-01 4916 1960-03-01 8524 1960-04-01 9867 1960-05-01 7965 1960-06-01 7065 1960-07-01 6698 1960-08-01 4737 1960-09-01 5151 1960-10-01 6858 1960-11-01 5829 1960-12-01 7089 1961-01-01 4152 1961-02-01 5606 1961-03-01 9414 1961-04-01 8073 1961-05-01 7372 1961-06-01 7464 1961-07-01 6771 1961-08-01 5333 1961-09-01 6386 1961-10-01 6993 1961-11-01 5853 1961-12-01 5954 1962-01-01 4764 1962-02-01 5868 1962-03-01 8773 1962-04-01 9864 1962-05-01 8393 1962-06-01 7910 1962-07-01 7299 1962-08-01 6133 1962-09-01 6523 1962-10-01 7258 1962-11-01 7031 1962-12-01 5503 1963-01-01 4222 1963-02-01 4543 1963-03-01 8922 1963-04-01 11244 1963-05-01 10354 1963-06-01 8790 1963-07-01 8036 1963-08-01 6284 1963-09-01 6294 1963-10-01 7887 1963-11-01 6635 1963-12-01 6334 1964-01-01 4083 1964-02-01 6522 1964-03-01 11049 1964-04-01 10388 1964-05-01 10252 1964-06-01 9223 1964-07-01 8223 1964-08-01 7201 1964-09-01 6414 1964-10-01 8480 1964-11-01 7418 1964-12-01 6625 1965-01-01 4664 1965-02-01 6621 1965-03-01 11058 1965-04-01 13774 1965-05-01 12225 1965-06-01 10121 1965-07-01 10321 1965-08-01 7547 1965-09-01 8260 1965-10-01 9481 1965-11-01 8843 1965-12-01 7896 1966-01-01 5231 1966-02-01 8779 1966-03-01 13273 1966-04-01 14451 1966-05-01 13456 1966-06-01 10789 1966-07-01 11051 1966-08-01 7727 1966-09-01 9799 1966-10-01 10986 1966-11-01 8600 1966-12-01 7300 1967-01-01 6284 1967-02-01 8813 1967-03-01 15010 1967-04-01 13008 1967-05-01 13012 1967-06-01 12195 1967-07-01 9765 1967-08-01 6310 1967-09-01 9254 1967-10-01 9504 1967-11-01 9035 1967-12-01 10246 1968-01-01 8214 1968-02-01 10516 1968-03-01 11831 1968-04-01 11954 1968-05-01 14698 1968-06-01 15825 1968-07-01 15430 1968-08-01 33504 1968-09-01 1547 1968-10-01 1700 1968-11-01 2766 1968-12-01 2650 1969-01-01 2872 1969-02-01 3992 1969-03-01 8050 1969-04-01 10428 1969-05-01 11914 1969-06-01 10087 1969-07-01 9765 1969-08-01 8216 1969-09-01 8587 1969-10-01 11268 1969-11-01 9117 1969-12-01 6356 1970-01-01 6637 1970-02-01 8438 1970-03-01 12832 1970-04-01 14037 1970-05-01 15961 1970-06-01 13980 1970-07-01 13457 1970-08-01 10538 1970-09-01 10263 1970-10-01 11230 1970-11-01 9250 1970-12-01 769 1971-01-01 23021 1971-02-01 12786 1971-03-01 18132 1971-04-01 21303 1971-05-01 18709 1971-06-01 18054 1971-07-01 17957 1971-08-01 13069 1971-09-01 12760 1971-10-01 16656 1971-11-01 13142 1971-12-01 9603 1972-01-01 12350 1972-02-01 15211 1972-03-01 20266 1972-04-01 21346 1972-05-01 19447 1972-06-01 20628 1972-07-01 20148 1972-08-01 15088 1972-09-01 10586 1972-10-01 20168 1972-11-01 23046 1972-12-01 23340 1973-01-01 11722 1973-02-01 13134 1973-03-01 20117 1973-04-01 18970 1973-05-01 17771 1973-06-01 17372 1973-07-01 16942 1973-08-01 13177 1973-09-01 15290 1973-10-01 16862 1973-11-01 15632 1973-12-01 9993 1974-01-01 13059 1974-02-01 12380 1974-03-01 19658 1974-04-01 18041 1974-05-01 15830 1974-06-01 14754 1974-07-01 14415 1974-08-01 13155 1974-09-01 12441 1974-10-01 14143 1974-11-01 12515 1974-12-01 6590 1975-01-01 13741 1975-02-01 15075 1975-03-01 20389 1975-04-01 16147 1975-05-01 18035 1975-06-01 16675 1975-07-01 16190 1975-08-01 13532 1975-09-01 14083 1975-10-01 16520 1975-11-01 14404 1975-12-01 10376 1976-01-01 15382 1976-02-01 18091 1976-03-01 22642 1976-04-01 21024 1976-05-01 20760 1976-06-01 18700 1976-07-01 20672 1976-08-01 14159 1976-09-01 17862 1976-10-01 20041 1976-11-01 17862 1976-12-01 18272 1977-01-01 16038 1977-02-01 18768 1977-03-01 26917 1977-04-01 24612 1977-05-01 22383 1977-06-01 19244 1977-07-01 26562 1977-08-01 17558 1977-09-01 21643 1977-10-01 29465 1977-11-01 30146 1977-12-01 42600 1978-01-01 8511 1978-02-01 6556 1978-03-01 12898 1978-04-01 13033 1978-05-01 16328 1978-06-01 16775 1978-07-01 16275 1978-08-01 12720 1978-09-01 13948 1978-10-01 14182 1978-11-01 16341 1978-12-01 10712 1979-01-01 15639 1979-02-01 14674 1979-03-01 23138 1979-04-01 23406 1979-05-01 20174 1979-06-01 20339 1979-07-01 17881 1979-08-01 15351 1979-09-01 16049 1979-10-01 16733 1979-11-01 18945 1979-12-01 11968 1980-01-01 16884 1980-02-01 19662 1980-03-01 24251 1980-04-01 22819 1980-05-01 23848 1980-06-01 21268 1980-07-01 19490 1980-08-01 16991 1980-09-01 16520 1980-10-01 20365 1980-11-01 16191 1980-12-01 9259 1981-01-01 15659 1981-02-01 16081 1981-03-01 21490 1981-04-01 24326 1981-05-01 22550 1981-06-01 17837 1981-07-01 18222 1981-08-01 12887 1981-09-01 13316 1981-10-01 16011 1981-11-01 12468 1981-12-01 7812 1982-01-01 14159 1982-02-01 14638 1982-03-01 19855 1982-04-01 24772 1982-05-01 22176 1982-06-01 17305 1982-07-01 19600 1982-08-01 14162 1982-09-01 14477 1982-10-01 15727 1982-11-01 14297 1982-12-01 9987 1983-01-01 16926 1983-02-01 16499 1983-03-01 25317 1983-04-01 34014 1983-05-01 23580 1983-06-01 22508 1983-07-01 24106 1983-08-01 17009 1983-09-01 20584 1983-10-01 19855 1983-11-01 21015 1983-12-01 15263 1984-01-01 21402 1984-02-01 15136 1984-03-01 22494 1984-04-01 25384 1984-05-01 21850 1984-06-01 19161 1984-07-01 15433 1984-08-01 16067 1984-09-01 16185 1984-10-01 19773 1984-11-01 14897 1984-12-01 7858 1985-01-01 18559 1985-02-01 15077 1985-03-01 25215 1985-04-01 28425 1985-05-01 25138 1985-06-01 23579 1985-07-01 24610 1985-08-01 17747 1985-09-01 23884 1985-10-01 19850 1985-11-01 12889 1985-12-01 7697 1986-01-01 17329 1986-02-01 15305 1986-03-01 24584 1986-04-01 31194 1986-05-01 25634 1986-06-01 26178 1986-07-01 23548 1986-08-01 18682 1986-09-01 29165 1986-10-01 18327 1986-11-01 15864 1986-12-01 16365 1987-01-01 14592 1987-02-01 14168 1987-03-01 29750 1987-04-01 27330 1987-05-01 22289 1987-06-01 22822 1987-07-01 23355 1987-08-01 17759 1987-09-01 31424 1987-10-01 16489 1987-11-01 13337 1987-12-01 9906 1988-01-01 16369 1988-02-01 17429 1988-03-01 25745 1988-04-01 29505 1988-05-01 25207 1988-06-01 25991 1988-07-01 22699 1988-08-01 17868 1988-09-01 21894 1988-10-01 20132 1988-11-01 17897 1988-12-01 12336 1989-01-01 22410 1989-02-01 19872 1989-03-01 30837 1989-04-01 28538 1989-05-01 26568 1989-06-01 29483 1989-07-01 24617 1989-08-01 19300 1989-09-01 18436 1989-10-01 21103 1989-11-01 22978 1989-12-01 11923 1990-01-01 25877 1990-02-01 20780 1990-03-01 32661 1990-04-01 31991 1990-05-01 29744 1990-06-01 25876 1990-07-01 25884 1990-08-01 21055 1990-09-01 21013 1990-10-01 23368 1990-11-01 19233 1990-12-01 11154 1991-01-01 27040 1991-02-01 20475 1991-03-01 34348 1991-04-01 32801 1991-05-01 30744 1991-06-01 29931 1991-07-01 27211 1991-08-01 20962 1991-09-01 20269 1991-10-01 25739 1991-11-01 19475 1991-12-01 14728 1992-01-01 27622 1992-02-01 24330 1992-03-01 35316 1992-04-01 42121 1992-05-01 30566 1992-06-01 29724 1992-07-01 28942 1992-08-01 18549 1992-09-01 25064 1992-10-01 27584 1992-11-01 20359 1992-12-01 9917 1993-01-01 28161 1993-02-01 22348 1993-03-01 33698 1993-04-01 36035 1993-05-01 31641 1993-06-01 25626 1993-07-01 25110 1993-08-01 18074 1993-09-01 20829 1993-10-01 20797 1993-11-01 15166 1993-12-01 7677 1994-01-01 24775 1994-02-01 20206 1994-03-01 34345 1994-04-01 28189 1994-05-01 27806 1994-06-01 28052 1994-07-01 26566 1994-08-01 18071 1994-09-01 20948 1994-10-01 19530 1994-11-01 16574 1994-12-01 8601 1995-01-01 24838 1995-02-01 19830 1995-03-01 32821 1995-04-01 28832 1995-05-01 31292 1995-06-01 28519 1995-07-01 25132 1995-08-01 17971 1995-09-01 20324 1995-10-01 21252 1995-11-01 17739 1995-12-01 11060 1996-01-01 25922 1996-02-01 21424 1996-03-01 36175 1996-04-01 39247 1996-05-01 51276 1996-06-01 20261 1996-07-01 23085 1996-08-01 18718 1996-09-01 20646 1996-10-01 22622 1996-11-01 16846 1996-12-01 11449 1997-01-01 23940 1997-02-01 21004 1997-03-01 30568 1997-04-01 32332 1997-05-01 25561 1997-06-01 26390 1997-07-01 26493 1997-08-01 18622 1997-09-01 21720 1997-10-01 21803 1997-11-01 16319 1997-12-01 10249 1998-01-01 25363 1998-02-01 22364 1998-03-01 31631 1998-04-01 32040 1998-05-01 26471 1998-06-01 25844 1998-07-01 28238 1998-08-01 20885 1998-09-01 23875 1998-10-01 25088 1998-11-01 20999 1998-12-01 13067 1999-01-01 27257 1999-02-01 18774 1999-03-01 37410 1999-04-01 35249 1999-05-01 30117 1999-06-01 31035 1999-07-01 28819 1999-08-01 22534 1999-09-01 26419 1999-10-01 22769 1999-11-01 21385 1999-12-01 12414 2000-01-01 26975 2000-02-01 23420 2000-03-01 35192 2000-04-01 32666 2000-05-01 32672 2000-06-01 27726 2000-07-01 25701 2000-08-01 23630 2000-09-01 23217 2000-10-01 23907 2000-11-01 21040 2000-12-01 13281 2001-01-01 25885 2001-02-01 21569 2001-03-01 34067 2001-04-01 31904 2001-05-01 30468 2001-06-01 27038 2001-07-01 26594 2001-08-01 20816 2001-09-01 20590 2001-10-01 23129 2001-11-01 19813 2001-12-01 11655 2002-01-01 23291 2002-02-01 20398 2002-03-01 29666 2002-04-01 30320 2002-05-01 26295 2002-06-01 25904 2002-07-01 26260 2002-08-01 18813 2002-09-01 21402 2002-10-01 24388 2002-11-01 19338 2002-12-01 13418 2003-01-01 25016 2003-02-01 20110 2003-03-01 30052 2003-04-01 31939 2003-05-01 28503 2003-06-01 27315 2003-07-01 27970 2003-08-01 20337 2003-09-01 24459 2003-10-01 26412 2003-11-01 21151 2003-12-01 16857 2004-01-01 23929 2004-02-01 19487 2004-03-01 32200 2004-04-01 33091 2004-05-01 29570 2004-06-01 31636 2004-07-01 28271 2004-08-01 20636 2004-09-01 25109 2004-10-01 24692 2004-11-01 23775 2004-12-01 18896 2005-01-01 23424 2005-02-01 18621 2005-03-01 32549 2005-04-01 34063 2005-05-01 29705 2005-06-01 32849 2005-07-01 25881 2005-08-01 21808 2005-09-01 25375 2005-10-01 23699 2005-11-01 22240 2005-12-01 17701 2006-01-01 23448 2006-02-01 19505 2006-03-01 35046 2006-04-01 30855 2006-05-01 30659 2006-06-01 29833 2006-07-01 25403 2006-08-01 23022 2006-09-01 24274 2006-10-01 25001 2006-11-01 23873 2006-12-01 17675 2007-01-01 22430 2007-02-01 20544 2007-03-01 32345 2007-04-01 29415 2007-05-01 28523 2007-06-01 31324 2007-07-01 23615 2007-08-01 21329 2007-09-01 22016 2007-10-01 25003 2007-11-01 22870 2007-12-01 18768 2008-01-01 21884 2008-02-01 21987 2008-03-01 29907 2008-04-01 31813 2008-05-01 28364 2008-06-01 34713 2008-07-01 22695 2008-08-01 18285 2008-09-01 22509 2008-10-01 25992 2008-11-01 19836 2008-12-01 15712 2009-01-01 18992 2009-02-01 18827 2009-03-01 26477 2009-04-01 35898 2009-05-01 29732 2009-06-01 36090 2009-07-01 32694 2009-08-01 22423 2009-09-01 26542 2009-10-01 26694 2009-11-01 25612 2009-12-01 19422 2010-01-01 20882 2010-02-01 21786 2010-03-01 33270 2010-04-01 31723 2010-05-01 29057 2010-06-01 32957 2010-07-01 28977 2010-08-01 24693 2010-09-01 28115 2010-10-01 28713 2010-11-01 28024 2010-12-01 20366 2011-01-01 25584 2011-02-01 26412 2011-03-01 35869 2011-04-01 33317 2011-05-01 34393 2011-06-01 32018 2011-07-01 29307 2011-08-01 25884 2011-09-01 30755 2011-10-01 28909 2011-11-01 30339 2011-12-01 23358 2012-01-01 26826 2012-02-01 24005 2012-03-01 37933 2012-04-01 32728 2012-05-01 32398 2012-06-01 33068 2012-07-01 28268 2012-08-01 24570 2012-09-01 27094 2012-10-01 26322 2012-11-01 24377 2012-12-01 18421 2013-01-01 27761 2013-02-01 21196 2013-03-01 31067 2013-04-01 30807 2013-05-01 29094 2013-06-01 31279 2013-07-01 28543 2013-08-01 23063 2013-09-01 25301 2013-10-01 26743 2013-11-01 23350 2013-12-01 20831 2014-01-01 23990 2014-02-01 27589 2014-03-01 29702 2014-04-01 29240 2014-05-01 26986 2014-06-01 29100 2014-07-01 24772 2014-08-01 21121 2014-09-01 24863 2014-10-01 26945 2014-11-01 21619 2014-12-01 17391 2015-01-01 23427 2015-02-01 20641 2015-03-01 31086 2015-04-01 29500 2015-05-01 26517 2015-06-01 30462 2015-07-01 26917 2015-08-01 22677 2015-09-01 25966 2015-10-01 25149 2015-11-01 23381 2015-12-01 22832 2016-01-01 24019 2016-02-01 22495 2016-03-01 31941 2016-04-01 31102 2016-05-01 28462 2016-06-01 33751 2016-07-01 26882 2016-08-01 23690 2016-09-01 29836 2016-10-01 26273 2016-11-01 25491 2016-12-01 25662 2017-01-01 26352 2017-02-01 25311 2017-03-01 36830 2017-04-01 30201 2017-05-01 32426 2017-06-01 35441 2017-07-01 27731 2017-08-01 26058 2017-09-01 29528 2017-10-01 28244 2017-11-01 29547 2017-12-01 25651 2018-01-01 28568 2018-02-01 26499 2018-03-01 35407 2018-04-01 31821 2018-05-01 32551 2018-06-01 38015 2018-07-01 31476 2018-08-01 34227 2018-09-01 17194