Year Dollars 1992-01-01 200911 1997-01-01 2869374 2002-01-01 5624967 2003-01-01 5701306 2004-01-01 8173587 2005-01-01 17282310 2006-01-01 14590333 2007-01-01 18640796 2008-01-01 9824546 2009-01-01 8879520 2010-01-01 23228918 2011-01-01 12926000 2012-01-01 10067773 2013-01-01 2291066 2014-01-01 667102 2015-01-01 3309906 2016-01-01 7469820