Year Dollars 1992-01-01 62713159 1997-01-01 90062989 2002-01-01 49727514 2003-01-01 57511408 2004-01-01 55294092 2005-01-01 61133469 2006-01-01 56771661 2007-01-01 60376494 2008-01-01 57357115 2009-01-01 51648409 2010-01-01 61632382 2011-01-01 61342280 2012-01-01 78493459 2013-01-01 61588093 2014-01-01 62959094 2015-01-01 81012383 2016-01-01 69989537