Year Dollars 1997-01-01 673149 2002-01-01 213285 2003-01-01 204601 2004-01-01 148353 2005-01-01 147919 2007-01-01 356411 2008-01-01 726771 2009-01-01 389076 2010-01-01 262020 2011-01-01 754275 2012-01-01 1547178 2013-01-01 989431 2014-01-01 1212575 2015-01-01 829294 2016-01-01 355737