Year Dollars 1992-01-01 19452604 1997-01-01 39388878 2002-01-01 37026110 2003-01-01 36696581 2004-01-01 58693816 2005-01-01 72772929 2006-01-01 73288168 2007-01-01 120778722 2008-01-01 137600731 2009-01-01 89982596 2010-01-01 86652381 2011-01-01 91150475 2012-01-01 79891536 2013-01-01 64189332 2014-01-01 67488420 2015-01-01 41232468 2016-01-01 29091144