Year Dollars 1992-01-01 32974744 1997-01-01 9696034 2002-01-01 21922241 2003-01-01 20185675 2004-01-01 15334153 2005-01-01 17259836 2006-01-01 34812286 2007-01-01 36254587 2008-01-01 55671803 2009-01-01 41928124 2010-01-01 60824492 2011-01-01 66209859 2012-01-01 78066873 2013-01-01 47022508 2014-01-01 83633014 2015-01-01 61079426 2016-01-01 56581147