Year Dollars 1992-01-01 374010 1997-01-01 5525789 2002-01-01 1239901 2003-01-01 438758 2004-01-01 937606 2005-01-01 761878 2006-01-01 2649195 2007-01-01 2879920 2008-01-01 17768555 2009-01-01 8363689 2010-01-01 4291130 2011-01-01 7770145 2012-01-01 9881245 2013-01-01 5716457 2014-01-01 6680042 2015-01-01 10895095 2016-01-01 5797026