Year Dollars 1992-01-01 66453 1997-01-01 66199 2004-01-01 24908 2005-01-01 98147 2007-01-01 56019 2008-01-01 159515 2009-01-01 621505 2012-01-01 206938 2013-01-01 74217 2014-01-01 50951 2015-01-01 206592 2016-01-01 446204