Year	Total
1965	160750000
1966	150070000
1967	144570000
1968	146640000
1969	150990000
1970	149100000
1971	142680000
1972	139280000
1973	139740000
1974	140340000
1975	127130000
1976	134210000
1977	128890000
1978	130570000
1979	138160000
1980	141340000
1981	143710000
1982	140280000
1983	145400000
1984	150060000
1985	149270000
1986	141050000
1987	140470000
1988	138810000
1989	141020000
1990	131530000
1991	115530000
1992	104430000
1993	98519000
1994	95568000
1995	90622000
1996	90232000
1997	87431000
1998	85341000
1999	82165000
2000	85305000
2001	85549000
2002	85739000
2003	87156000
2004	84962000
2005	81289000
2006	84550000
2007	86697000
2008	80121000
2009	71736000
2010	77057000
2011	78314000
2012	80488000
2013	82837000
2014	79613000
2015	78471000
2016	75284000