Year Dollars 1992-01-01 115435858 1997-01-01 149468553 2002-01-01 152974956 2003-01-01 197765405 2004-01-01 146889704 2005-01-01 117175796 2006-01-01 129575135 2007-01-01 145172531 2008-01-01 176339148 2009-01-01 149673001 2010-01-01 151121547 2011-01-01 143406337 2012-01-01 182843378 2013-01-01 151193145 2014-01-01 243585857 2015-01-01 143367376 2016-01-01 248855643