Year Dollars 1992-01-01 655945 1997-01-01 5226623 2002-01-01 7088145 2003-01-01 11972501 2004-01-01 16398783 2005-01-01 31453212 2006-01-01 50055900 2007-01-01 93239853 2008-01-01 101098934 2009-01-01 26399685 2010-01-01 22897996 2011-01-01 27685670 2012-01-01 34249994 2013-01-01 37964505 2014-01-01 44887518 2015-01-01 40367848 2016-01-01 48347295