Year Dollars 1992-01-01 551947 1997-01-01 941762 2002-01-01 772725 2003-01-01 4025806 2004-01-01 1231617 2005-01-01 2097202 2006-01-01 5344178 2007-01-01 7187796 2008-01-01 6344170 2009-01-01 3022252 2010-01-01 3631874 2011-01-01 6836539 2012-01-01 2666706 2013-01-01 1822967 2014-01-01 2152013 2015-01-01 5329570 2016-01-01 6846498