Year Dollars 1992-01-01 27424752 1997-01-01 19987502 2002-01-01 6660281 2003-01-01 7855580 2004-01-01 30925885 2005-01-01 10649086 2006-01-01 10362079 2007-01-01 9114539 2008-01-01 63480195 2009-01-01 14598806 2010-01-01 47721513 2011-01-01 20628649 2012-01-01 72061395 2013-01-01 22333014 2014-01-01 23681631 2015-01-01 22267301 2016-01-01 45564727