Year Dollars 1992-01-01 146982 1997-01-01 275768 2002-01-01 543132 2003-01-01 269815 2004-01-01 424883 2005-01-01 160002 2009-01-01 220639 2011-01-01 151092 2012-01-01 432293 2013-01-01 406280 2014-01-01 380056 2015-01-01 1634467 2016-01-01 846686