Year Total 1980 75600000 1981 74700000 1982 182700000 1983 180000000 1984 211500000 1985 229500000 1986 261000000 1987 276300000 1988 296100000 1989 315900000 1990 341100000 1991 356400000 1992 392400000 1993 535500000 1994 567900000 1995 580500000 1996 764100000 1997 834300000 1998 918000000 1999 1100700000 2000 1289700000 2001 1401300000 2002 1491300000 2003 1552320000 2004 1683000000 2005 1705500000 2006 1842300000 2007 1863000000 2008 1935000000 2009 1971000000 2010 1989000000 2011 1971000000 2012 1836000000 2013 1661670000 2014 1661670000 2015 1661670000 2016 1661670000