Year	Total
1965	52290000
1966	57651000
1967	63717000
1968	70259000
1969	77334000
1970	87333000
1971	93821000
1972	98188000
1973	103560000
1974	100750000
1975	94531000
1976	98819000
1977	96064000
1978	99775000
1979	103200000
1980	97897000
1981	95658000
1982	90693000
1983	89198000
1984	84861000
1985	84394000
1986	86450000
1987	90140000
1988	91690000
1989	93806000
1990	93622000
1991	92444000
1992	94453000
1993	92649000
1994	92468000
1995	95525000
1996	94181000
1997	94551000
1998	94690000
1999	94391000
2000	93527000
2001	92799000
2002	92897000
2003	92075000
2004	89659000
2005	86674000
2006	86720000
2007	83974000
2008	80385000
2009	75108000
2010	73085000
2011	70512000
2012	64228000
2013	59423000
2014	55793000
2015	57633000
2016	58101000