Year Dollars 1992-01-01 11095719 1997-01-01 26976922 2002-01-01 7352198 2003-01-01 9675951 2004-01-01 8750643 2005-01-01 12623301 2006-01-01 16551508 2007-01-01 27130556 2008-01-01 33619435 2009-01-01 44204213 2010-01-01 29428556 2011-01-01 31177406 2012-01-01 23938905 2013-01-01 23631864 2014-01-01 24265793 2015-01-01 24636673 2016-01-01 23071135