Year Dollars 1992-01-01 102532 1997-01-01 593980 2004-01-01 1180946 2005-01-01 1696387 2006-01-01 2240064 2007-01-01 896241 2008-01-01 823796 2009-01-01 527027 2010-01-01 1220911 2011-01-01 694770 2014-01-01 508275 2015-01-01 433258 2016-01-01 37052