Year Dollars 1992-01-01 5539534 1997-01-01 9738101 2002-01-01 7920140 2003-01-01 35454277 2004-01-01 24563191 2005-01-01 12513962 2006-01-01 7357604 2007-01-01 60708219 2008-01-01 34050324 2009-01-01 34425910 2010-01-01 57850989 2011-01-01 84556357 2012-01-01 68612281 2013-01-01 73317189 2014-01-01 57354352 2015-01-01 60150935 2016-01-01 43697691