Year Dollars 1992-01-01 51618 1997-01-01 98986 2002-01-01 358610 2003-01-01 2053486 2004-01-01 1246025 2005-01-01 1805766 2006-01-01 1051460 2007-01-01 1806888 2008-01-01 1348629 2009-01-01 1511613 2010-01-01 1203333 2011-01-01 814900 2012-01-01 1072414 2013-01-01 950805 2014-01-01 1329984 2015-01-01 1447253 2016-01-01 1541941