Year Dollars 1992-01-01 595604 1997-01-01 467382 2002-01-01 7557656 2003-01-01 2355617 2004-01-01 3902351 2005-01-01 1223289 2006-01-01 9396933 2007-01-01 7545683 2008-01-01 11222080 2009-01-01 4250279 2010-01-01 4125604 2011-01-01 7668232 2012-01-01 7981361 2013-01-01 7132247 2014-01-01 716842 2015-01-01 3098023 2016-01-01 8148865