Year Dollars 1992-01-01 1020775 1997-01-01 1714403 2002-01-01 6534746 2003-01-01 4346924 2004-01-01 7565359 2005-01-01 6348523 2006-01-01 7907711 2007-01-01 8573631 2008-01-01 9311648 2009-01-01 8048791 2010-01-01 6650346 2011-01-01 8866307 2012-01-01 8525963 2013-01-01 10273309 2014-01-01 14480396 2015-01-01 9777249 2016-01-01 12300048