Year Dollars 1992-01-01 2190335 1997-01-01 7279056 2002-01-01 6970721 2003-01-01 8882044 2004-01-01 3267401 2005-01-01 7910118 2006-01-01 6153700 2007-01-01 7694023 2008-01-01 11509567 2009-01-01 6119295 2010-01-01 11185502 2011-01-01 10841273 2012-01-01 11583184 2013-01-01 10006224 2014-01-01 9984721 2015-01-01 12042186 2016-01-01 8330196