Year Dollars 1992-01-01 4652856 1997-01-01 52045941 2002-01-01 57713377 2003-01-01 57109688 2004-01-01 68840405 2005-01-01 78775594 2006-01-01 88010242 2007-01-01 89744049 2008-01-01 63386556 2009-01-01 49161899 2010-01-01 61920778 2011-01-01 111282858 2012-01-01 69455801 2013-01-01 69939958 2014-01-01 61048415 2015-01-01 60872567 2016-01-01 64948517