Year Dollars 1992-01-01 169294 1997-01-01 307145 2002-01-01 46322 2003-01-01 113007 2005-01-01 392084 2006-01-01 145204 2007-01-01 513955 2008-01-01 1068086 2009-01-01 1046214 2010-01-01 668887 2013-01-01 582974 2014-01-01 418644 2015-01-01 759588 2016-01-01 528426