Year Dollars 1992-01-01 1555664 1997-01-01 2861067 2002-01-01 6753249 2003-01-01 14717941 2004-01-01 5073324 2005-01-01 3855853 2006-01-01 3876884 2007-01-01 4180149 2008-01-01 5541338 2009-01-01 2699324 2010-01-01 3086475 2011-01-01 2756780 2012-01-01 5933860 2013-01-01 5937499 2014-01-01 2363028 2015-01-01 4001848 2016-01-01 9470608