Year Dollars 1997-01-01 290327 2002-01-01 378986 2003-01-01 718330 2004-01-01 544794 2005-01-01 1108447 2006-01-01 3771453 2007-01-01 7653525 2008-01-01 6950508 2009-01-01 1832177 2010-01-01 5733071 2011-01-01 3739210 2012-01-01 2358285 2013-01-01 2900757 2014-01-01 6937948 2015-01-01 4663621 2016-01-01 6084102