Year Dollars 1992-01-01 53902 1997-01-01 1017415 2002-01-01 1258993 2003-01-01 4052562 2004-01-01 2722548 2005-01-01 4358057 2006-01-01 13544925 2007-01-01 10449185 2008-01-01 11476849 2009-01-01 8988229 2010-01-01 17370285 2011-01-01 12975867 2012-01-01 13041105 2013-01-01 26394644 2014-01-01 23041473 2015-01-01 12180762 2016-01-01 8470000