Year Dollars 1992-01-01 26394083 1997-01-01 35289942 2002-01-01 55333484 2003-01-01 76796357 2004-01-01 61909187 2005-01-01 49526131 2006-01-01 56533877 2007-01-01 75279322 2008-01-01 83921478 2009-01-01 72048518 2010-01-01 80363358 2011-01-01 92266002 2012-01-01 93400456 2013-01-01 77147918 2014-01-01 72888524 2015-01-01 77697489 2016-01-01 69475848