Year Dollars 1992-01-01 16573997 1997-01-01 48397983 2002-01-01 22254572 2003-01-01 21004355 2004-01-01 24847551 2005-01-01 30344208 2006-01-01 41435968 2007-01-01 46159430 2008-01-01 78885874 2009-01-01 55107093 2010-01-01 64079394 2011-01-01 94055443 2012-01-01 115204747 2013-01-01 117814656 2014-01-01 123115507 2015-01-01 122705604 2016-01-01 131830622