Year Dollars 1992-01-01 41322325 1997-01-01 14580223 2002-01-01 4668621 2003-01-01 2099669 2004-01-01 7126071 2005-01-01 2971440 2006-01-01 3562356 2007-01-01 7145490 2008-01-01 1038471 2010-01-01 2526128 2011-01-01 4588146 2012-01-01 4771615 2013-01-01 4158481 2014-01-01 2444636 2015-01-01 1940193 2016-01-01 2396360