Year Dollars 1997-01-01 112900 2002-01-01 22130 2003-01-01 248349 2004-01-01 69870 2005-01-01 58340 2006-01-01 911181 2007-01-01 472084 2008-01-01 1004813 2009-01-01 511952 2010-01-01 953555 2011-01-01 1310999 2012-01-01 750412 2013-01-01 154206 2014-01-01 870122 2015-01-01 147115 2016-01-01 636708