Year Dollars 1992-01-01 12252676 1997-01-01 9991566 2002-01-01 7560327 2003-01-01 9587729 2004-01-01 14000498 2005-01-01 10518360 2006-01-01 17237841 2007-01-01 19238504 2008-01-01 17202475 2009-01-01 13781301 2010-01-01 10374806 2011-01-01 9239522 2012-01-01 6603464 2013-01-01 6722921 2014-01-01 5757425 2015-01-01 6108618 2016-01-01 10328903