Year Dollars 1992-01-01 32363155 1997-01-01 46288017 2002-01-01 35635886 2003-01-01 37989546 2004-01-01 52084679 2005-01-01 70059800 2006-01-01 76729848 2007-01-01 85767046 2008-01-01 88664440 2009-01-01 76625264 2010-01-01 96610509 2011-01-01 115586027 2012-01-01 84588893 2013-01-01 62624440 2014-01-01 59253072 2015-01-01 62529983 2016-01-01 68360224