Year Dollars 1992-01-01 26411955 1997-01-01 63891307 2002-01-01 100922143 2003-01-01 120152615 2004-01-01 141296697 2005-01-01 165293165 2006-01-01 183592161 2007-01-01 196503767 2008-01-01 215989372 2009-01-01 180175325 2010-01-01 188138145 2011-01-01 197490415 2012-01-01 186620359 2013-01-01 204806002 2014-01-01 230606832