Year Dollars 1992-01-01 627527 1997-01-01 1200717 2002-01-01 5719288 2003-01-01 7452087 2004-01-01 18060338 2005-01-01 11929699 2006-01-01 7432254 2007-01-01 6640110 2008-01-01 8257433 2009-01-01 7539478 2010-01-01 6009600 2011-01-01 6921459 2012-01-01 4964423 2013-01-01 5211011 2014-01-01 5951630 2015-01-01 6781212 2016-01-01 9411168