Year Total 1985 138180000000 1986 140110000000 1987 144710000000 1988 151420000000 1989 160390000000 1990 164620000000 1991 170220000000 1992 173280000000 1993 170770000000 1994 171570000000 1995 178920000000 1996 188330000000 1997 201030000000 1998 205780000000 1999 217170000000 2000 232030000000 2001 242370000000 2002 246620000000 2003 264519999999.99997 2004 281010000000 2005 294240000000 2006 302870000000 2007 312210000000 2008 317860000000 2009 296300000000 2010 303000000000 2011 291760000000 2012 297560000000 2013 283560000000 2014 278750000000 2015 280480000000 2016 274380000000