Year Dollars 1992-01-01 2566198 1997-01-01 13428372 2002-01-01 5069206 2003-01-01 16628031 2004-01-01 53406987 2005-01-01 71034117 2006-01-01 41443201 2007-01-01 38656818 2008-01-01 58685863 2009-01-01 14081105 2010-01-01 24593839 2011-01-01 45109194 2012-01-01 25684856 2013-01-01 34246589 2014-01-01 21010095 2015-01-01 26508511 2016-01-01 74035688