Year Dollars 1997-01-01 918595 2002-01-01 566684 2003-01-01 1605780 2004-01-01 1832939 2005-01-01 415507 2006-01-01 581475 2007-01-01 639253 2008-01-01 245848 2009-01-01 949902 2010-01-01 660826 2011-01-01 799211 2012-01-01 5491475 2014-01-01 8420002 2016-01-01 2005942