Year Dollars 1992-01-01 7658920 1997-01-01 2300793 2002-01-01 24431062 2003-01-01 18771104 2004-01-01 36213713 2005-01-01 32927418 2006-01-01 26667158 2007-01-01 38432147 2008-01-01 37204416 2009-01-01 25893736 2010-01-01 31231351 2011-01-01 38023955 2012-01-01 35435745 2013-01-01 48503806 2014-01-01 49064721 2015-01-01 44761979 2016-01-01 54138096