Year Dollars 1992-01-01 2520036 1997-01-01 2165873 2002-01-01 2213585 2003-01-01 3419160 2004-01-01 2950745 2005-01-01 3900074 2006-01-01 4088727 2007-01-01 5970738 2008-01-01 5569286 2009-01-01 5450349 2010-01-01 4898378 2011-01-01 4742206 2012-01-01 4868862 2013-01-01 5514017 2014-01-01 3992665 2015-01-01 4569180 2016-01-01 5766278