Year Dollars 1992-01-01 2963187 1997-01-01 10816702 2002-01-01 10542124 2003-01-01 22416435 2004-01-01 10416194 2005-01-01 7002204 2006-01-01 31527985 2007-01-01 31839193 2008-01-01 56937231 2009-01-01 28005738 2010-01-01 25883696 2011-01-01 96377218 2012-01-01 63610972 2013-01-01 53868157 2014-01-01 59485852 2015-01-01 50823132 2016-01-01 49394050