Year Dollars 1992-01-01 1411383 1997-01-01 6706097 2002-01-01 8896456 2003-01-01 9158617 2004-01-01 6925122 2005-01-01 7761718 2006-01-01 11331901 2007-01-01 6925408 2008-01-01 8000310 2009-01-01 7038741 2010-01-01 8965716 2011-01-01 5636842 2012-01-01 8841836 2013-01-01 10570134 2014-01-01 9054999 2015-01-01 9906101 2016-01-01 12351412