Year Dollars 1992-01-01 22147467 1997-01-01 39615412 2002-01-01 24495368 2003-01-01 24879374 2004-01-01 34027507 2005-01-01 36978515 2006-01-01 41827607 2007-01-01 42096376 2008-01-01 48770905 2009-01-01 56140073 2010-01-01 59692729 2011-01-01 79693367 2012-01-01 85626021 2013-01-01 79525833 2014-01-01 70830966 2015-01-01 67513672 2016-01-01 71044585