Year Dollars 1997-01-01 191503 2002-01-01 44394 2003-01-01 53466 2004-01-01 341640 2005-01-01 124956 2007-01-01 226386 2008-01-01 243921 2009-01-01 253052 2010-01-01 171525 2011-01-01 265975 2012-01-01 195672 2013-01-01 1030614 2014-01-01 306952 2015-01-01 401086 2016-01-01 688369