Year Dollars 1992-01-01 13548763 1997-01-01 16950675 2002-01-01 25494030 2003-01-01 23212441 2004-01-01 28248953 2005-01-01 55751442 2006-01-01 33018745 2007-01-01 20357706 2008-01-01 56131424 2009-01-01 59160497 2010-01-01 109832431 2011-01-01 124214474 2012-01-01 123221318 2013-01-01 141906821 2014-01-01 129174793 2015-01-01 110935972 2016-01-01 85391818