Year Dollars 1992-01-01 824298 1997-01-01 3157527 2002-01-01 1040741 2003-01-01 674155 2004-01-01 960637 2005-01-01 2187430 2006-01-01 1905124 2007-01-01 1721763 2008-01-01 2812020 2009-01-01 3306950 2010-01-01 3351389 2011-01-01 4134147 2012-01-01 3694526 2013-01-01 7192034 2014-01-01 7172466 2015-01-01 9641042 2016-01-01 1706471