Year Total 1985 49394000000 1986 48948000000 1987 53016000000.00001 1988 53491000000.00001 1989 53358999999.99999 1990 53983000000.00001 1991 57495000000 1992 57277000000 1993 60575000000 1994 65031000000.00001 1995 63188000000 1996 69372000000 1997 68975000000 1998 70170000000 1999 69433000000 2000 69952000000 2001 74340000000 2002 74899000000 2003 84301000000 2004 85774000000 2005 70332000000 2006 82287000000 2007 81248000000 2008 77436000000 2009 72062000000 2010 80663000000 2011 73473999999.99998 2012 70393999999.99998 2013 71240000000 2014 68084000000 2015 68578999999.99999 2016 68581999999.99999