Year	Total
1980	81000000
1981	81000000
1982	92700000
1983	93600000
1984	93600000
1985	111600000
1986	127800000
1987	112500000
1988	101700000
1989	141300000
1990	163800000
1991	180000000
1992	180000000
1993	204300000
1994	211500000
1995	211500000
1996	211500000
1997	214200000
1998	214200000
1999	216900000
2000	216900000
2001	216900000
2002	225000000
2003	261000000
2004	261000000
2005	261000000
2006	261000000
2007	255600000
2008	243000000
2009	256500000
2010	256500000
2011	256500000
2012	256500000
2013	256500000
2014	256500000
2015	256500000
2016	256500000