Year Dollars 2002-01-01 181301 2003-01-01 702808 2004-01-01 819860 2005-01-01 488372 2006-01-01 542998 2007-01-01 1222761 2008-01-01 7160997 2009-01-01 2848610 2010-01-01 7754394 2011-01-01 20371108 2012-01-01 2467833 2013-01-01 3017627 2014-01-01 3023718 2015-01-01 396444 2016-01-01 396272