Year Dollars 1992-01-01 790703 1997-01-01 4717027 2004-01-01 343930 2005-01-01 116387 2006-01-01 5196982 2009-01-01 2414655 2010-01-01 1710418 2011-01-01 699141 2012-01-01 325047 2013-01-01 1349776 2014-01-01 175754 2015-01-01 243658 2016-01-01 515654