Year Dollars 1992-01-01 68719 1997-01-01 210046 2002-01-01 54828 2003-01-01 39023 2005-01-01 72498 2006-01-01 52719 2007-01-01 223371 2008-01-01 270264 2009-01-01 174370 2010-01-01 139175 2011-01-01 233438 2012-01-01 394645 2013-01-01 475046 2014-01-01 378486 2015-01-01 574014 2016-01-01 812982