Year Dollars 1992-01-01 22329051 1997-01-01 7247784 2002-01-01 14524226 2003-01-01 10907724 2004-01-01 6047447 2005-01-01 28088667 2006-01-01 36630833 2007-01-01 11877822 2008-01-01 45178274 2009-01-01 22746412 2010-01-01 10114551 2011-01-01 18398159 2012-01-01 16081913 2013-01-01 13632958 2014-01-01 23403891 2015-01-01 9775138 2016-01-01 9030833