Year Dollars 1992-01-01 233618 1997-01-01 765324 2002-01-01 430245 2003-01-01 392417 2004-01-01 621233 2005-01-01 496509 2006-01-01 683412 2007-01-01 1465783 2008-01-01 776628 2009-01-01 1241462 2010-01-01 859277 2011-01-01 539108 2012-01-01 596300 2013-01-01 962268 2014-01-01 503087 2015-01-01 682191 2016-01-01 627420