Year Dollars 1992-01-01 33836965 1997-01-01 36191460 2002-01-01 44956655 2003-01-01 59279144 2004-01-01 68104651 2005-01-01 57478508 2006-01-01 53572118 2007-01-01 103138962 2008-01-01 143493078 2009-01-01 131785845 2010-01-01 104235879 2011-01-01 109951449 2012-01-01 198024528 2013-01-01 173519735 2014-01-01 161468734 2015-01-01 134942628 2016-01-01 125861241