Year Dollars 1992-01-01 11023516 1997-01-01 16392416 2002-01-01 22069907 2003-01-01 28667318 2004-01-01 42327928 2005-01-01 49065557 2006-01-01 39865446 2007-01-01 43048987 2008-01-01 44142438 2009-01-01 35020104 2010-01-01 36681730 2011-01-01 44841382 2012-01-01 37650006 2013-01-01 33837694 2014-01-01 45401448 2015-01-01 33173003 2016-01-01 83818742