Year Dollars 1992-01-01 43104875 1997-01-01 18245917 2002-01-01 20568915 2003-01-01 23538735 2004-01-01 25490444 2005-01-01 24369573 2006-01-01 22679720 2007-01-01 25618331 2008-01-01 74894248 2009-01-01 30424140 2010-01-01 26476486 2011-01-01 16603086 2012-01-01 17872431 2013-01-01 16669495 2014-01-01 15991747 2015-01-01 9656299 2016-01-01 11911216