Year Dollars 1992-01-01 1934539 1997-01-01 1703959 2002-01-01 3231341 2003-01-01 2755734 2004-01-01 2974834 2005-01-01 5806936 2006-01-01 3966369 2007-01-01 3829719 2008-01-01 2828962 2009-01-01 3984299 2010-01-01 4538579 2011-01-01 3453619 2012-01-01 8086543 2013-01-01 6471804 2014-01-01 2491709 2015-01-01 2625059 2016-01-01 1032156