Year Dollars 1997-01-01 368329 2004-01-01 312705 2005-01-01 872181 2006-01-01 798284 2007-01-01 510303 2008-01-01 770952 2009-01-01 613805 2010-01-01 586190 2011-01-01 1002531 2012-01-01 880157 2013-01-01 1025953 2014-01-01 732503 2015-01-01 652109 2016-01-01 333079