Year Dollars 1992-01-01 6101122 1997-01-01 2524682 2002-01-01 747894 2003-01-01 5235637 2006-01-01 5060096 2007-01-01 3472881 2008-01-01 2192837 2009-01-01 1680849 2010-01-01 3187463 2011-01-01 2119332 2012-01-01 2323762 2013-01-01 10360016 2014-01-01 7503993 2015-01-01 5422711 2016-01-01 2310813