Year Dollars 1992-01-01 11271996 1997-01-01 9497782 2002-01-01 3213843 2003-01-01 2107611 2004-01-01 7437669 2005-01-01 5454107 2006-01-01 13820431 2007-01-01 11895539 2008-01-01 16402681 2009-01-01 15762478 2010-01-01 8186123 2011-01-01 6998259 2012-01-01 9616829 2013-01-01 26538546 2014-01-01 8059008 2015-01-01 11726731 2016-01-01 5926790