Year Total 1985 185740000000 1986 192330000000 1987 201370000000 1988 203560000000 1989 210750000000 1990 216890000000 1991 222040000000 1992 226240000000 1993 222790000000 1994 231800000000 1995 241480000000 1996 244490000000 1997 251460000000 1998 259760000000 1999 265660000000.00003 2000 276630000000 2001 279000000000 2002 284400000000 2003 293870000000 2004 303320000000 2005 303670000000 2006 314090000000 2007 313900000000 2008 319130000000 2009 292640000000 2010 302060000000 2011 302570000000 2012 299280000000 2013 289800000000 2014 279830000000 2015 282990000000 2016 286340000000