Year Dollars 1992-01-01 1467299 1997-01-01 3599983 2002-01-01 3458088 2003-01-01 4715446 2004-01-01 6612867 2005-01-01 5700475 2006-01-01 4083561 2007-01-01 5452083 2008-01-01 10602786 2009-01-01 11340858 2010-01-01 6977795 2011-01-01 6647896 2012-01-01 6785072 2013-01-01 7292825 2014-01-01 7644456 2015-01-01 8967714 2016-01-01 6441272