Year Dollars 1992-01-01 67525055 1997-01-01 131429327 2002-01-01 43968088 2003-01-01 36772324 2004-01-01 21199637 2005-01-01 11655487 2006-01-01 17161597 2007-01-01 13661955 2008-01-01 21585483 2009-01-01 16489479 2010-01-01 19214141 2011-01-01 16427339 2012-01-01 14151033 2013-01-01 15692476 2014-01-01 22486133 2015-01-01 15969096 2016-01-01 11069998