Year	Total
1980	665100000
1981	597600000
1982	569700000
1983	640800000
1984	652500000
1985	583200000
1986	570600000
1987	579600000
1988	531000000
1989	504000000
1990	490500000
1991	486000000
1992	549000000
1993	567000000
1994	594000000
1995	630000000
1996	684000000
1997	688500000
1998	679500000
1999	684000000
2000	661500000
2001	589500000
2002	567000000
2003	531000000
2004	477900000
2005	432900000
2006	370800000
2007	308700000
2008	262800000
2009	230400000
2010	227331000
2011	221427000
2012	219600000
2013	216900000
2014	185400000
2015	186300000
2016	186300000