Year Dollars 1992-01-01 10374210 1997-01-01 24930697 2002-01-01 6732528 2003-01-01 8408576 2004-01-01 7007998 2005-01-01 14507987 2006-01-01 13196248 2007-01-01 17898476 2008-01-01 9737415 2009-01-01 37374898 2010-01-01 17565438 2011-01-01 135674236 2012-01-01 115570319 2013-01-01 48845460 2014-01-01 58527036 2015-01-01 70341914 2016-01-01 15059721