Year Dollars 1992-01-01 7105994 1997-01-01 22645743 2002-01-01 14708196 2003-01-01 12425918 2004-01-01 11352449 2005-01-01 12050663 2006-01-01 8307423 2007-01-01 10006022 2008-01-01 20478446 2009-01-01 8787752 2010-01-01 6947196 2011-01-01 7229412 2012-01-01 15974093 2013-01-01 21372462 2014-01-01 70856801 2015-01-01 92666513 2016-01-01 54755727