Year Dollars 1992-01-01 19203199 1997-01-01 28265418 2002-01-01 39599071 2003-01-01 50291929 2004-01-01 48967611 2005-01-01 65359844 2006-01-01 70740090 2007-01-01 77673585 2008-01-01 65509575 2009-01-01 51072313 2010-01-01 58378958 2011-01-01 61971189 2012-01-01 62803957 2013-01-01 67643281 2014-01-01 84213175 2015-01-01 77937293 2016-01-01 79930089