Year Dollars 1992-01-01 262511 1997-01-01 277795 2002-01-01 568612 2003-01-01 585116 2004-01-01 896008 2005-01-01 1430000 2006-01-01 472910 2007-01-01 591302 2008-01-01 3031955 2009-01-01 3296381 2010-01-01 511458 2011-01-01 1983495 2012-01-01 556805 2013-01-01 582774 2014-01-01 831182 2015-01-01 893789 2016-01-01 323224