Year Dollars 1997-01-01 68684 2002-01-01 385061 2003-01-01 1343409 2004-01-01 644481 2005-01-01 981699 2006-01-01 1096072 2007-01-01 1351734 2008-01-01 1647533 2009-01-01 3177124 2010-01-01 3587540 2011-01-01 2601302 2012-01-01 2180101 2013-01-01 1343321 2014-01-01 1614396 2015-01-01 1770459 2016-01-01 3036443