Year Dollars 1992-01-01 1330876 1997-01-01 5852091 2002-01-01 980846 2003-01-01 1885863 2004-01-01 1203035 2005-01-01 1182952 2006-01-01 1609497 2007-01-01 1843222 2008-01-01 4063041 2009-01-01 4826495 2010-01-01 4265200 2011-01-01 6619319 2012-01-01 5158506 2013-01-01 6275694 2014-01-01 4699252 2015-01-01 9006232 2016-01-01 14320479