Year Dollars 1997-01-01 15675 2002-01-01 61203 2003-01-01 317506 2004-01-01 906104 2005-01-01 408685 2006-01-01 771095 2007-01-01 730192 2008-01-01 1185441 2009-01-01 1226826 2010-01-01 609160 2012-01-01 440713 2014-01-01 1370340 2016-01-01 342195