Year Dollars 1992-01-01 8234056 1997-01-01 34448120 2002-01-01 15667557 2003-01-01 20045830 2004-01-01 31310671 2005-01-01 31997801 2006-01-01 50065724 2007-01-01 50241838 2008-01-01 52457618 2009-01-01 64277636 2010-01-01 91191531 2011-01-01 80633418 2012-01-01 80752596 2013-01-01 107509431 2014-01-01 102027482 2015-01-01 139074267 2016-01-01 106215096