Year Dollars 1992-01-01 42925694 1997-01-01 55292897 2002-01-01 71076059 2003-01-01 74334470 2004-01-01 75067230 2005-01-01 88881844 2006-01-01 94784774 2007-01-01 122453987 2008-01-01 155748343 2009-01-01 125009139 2010-01-01 82145541 2011-01-01 118403418 2012-01-01 64068614 2013-01-01 62878317 2014-01-01 52111137 2015-01-01 33990090 2016-01-01 40245761