Year Dollars 1992-01-01 20830688 1997-01-01 35917542 2002-01-01 64318559 2003-01-01 68293304 2004-01-01 73791589 2005-01-01 62570156 2006-01-01 67808370 2007-01-01 74303466 2008-01-01 79166297 2009-01-01 57811798 2010-01-01 81199386 2011-01-01 89318792 2012-01-01 65513191 2013-01-01 67760107 2014-01-01 91955626 2015-01-01 62865669 2016-01-01 66331074