Year Dollars 1992-01-01 6459981 1997-01-01 32691346 2002-01-01 4311304 2003-01-01 11554567 2004-01-01 10872096 2005-01-01 11254970 2006-01-01 47830839 2007-01-01 14113519 2008-01-01 81157775 2009-01-01 8684822 2010-01-01 13163670 2011-01-01 14424006 2012-01-01 13906758 2013-01-01 11471073 2014-01-01 11972181 2015-01-01 13472986 2016-01-01 17802192