Year Dollars 1992-01-01 9978899 1997-01-01 30450972 2002-01-01 21200706 2003-01-01 14113122 2004-01-01 12910494 2005-01-01 11033507 2006-01-01 11218230 2007-01-01 12431569 2008-01-01 12500904 2009-01-01 32891876 2010-01-01 22078588 2011-01-01 40495951 2012-01-01 37165885 2013-01-01 37385876 2014-01-01 45695935 2015-01-01 42021574 2016-01-01 22708003