Year Dollars 1997-01-01 61305 2002-01-01 650564 2003-01-01 18909 2004-01-01 415585 2007-01-01 15049 2008-01-01 47479 2009-01-01 98839 2010-01-01 237341 2011-01-01 236788 2012-01-01 129261 2013-01-01 758809 2014-01-01 125592 2015-01-01 422072 2016-01-01 866425