Year Dollars 1992-01-01 5601498 1997-01-01 13328265 2002-01-01 20372776 2003-01-01 25533633 2004-01-01 43828321 2005-01-01 96701143 2006-01-01 100501882 2007-01-01 74897700 2008-01-01 104920259 2009-01-01 66591683 2010-01-01 73601527 2011-01-01 85667488 2012-01-01 70438705 2013-01-01 51470027 2014-01-01 75461888 2015-01-01 83373484 2016-01-01 114432810