Year Total 1980 257400000 1981 285300000 1982 305100000 1983 279900000 1984 317700000 1985 317700000 1986 318600000 1987 318600000 1988 315000000 1989 652500000 1990 652500000 1991 648000000 1992 272700000 1993 267300000 1994 270900000 1995 244800000 1996 270000000 1997 267300000 1998 267300000 1999 290700000 2000 275400000 2001 306000000 2002 306000000 2003 389700000 2004 379800000 2005 366300000 2006 344700000 2007 336600000 2008 309600000 2009 327600000 2010 318600000 2011 314100000 2012 248148000 2013 227889000 2014 208935000 2015 184842000 2016 184842000