Year	Total
1965	6671500
1966	7562900
1967	8850600
1968	9485200
1969	7775400
1970	6933500
1971	6388700
1972	7002200
1973	8221200
1974	9261200
1975	10697000
1976	10528000
1977	11341000
1978	11391000
1979	10598000
1980	10528000
1981	9360200
1982	8765900
1983	7924000
1984	8442300
1985	8635700
1986	8298000
1987	7613600
1988	7444800
1989	7343400
1990	7374900
1991	7244300
1992	6949000
1993	6452700
1994	6763500
1995	6735800
1996	6675600
1997	6437500
1998	6396900
1999	6644500
2000	6737500
2001	6505600
2002	7494800
2003	8048400
2004	7562800
2005	8059100
2006	8286800
2007	7147200
2008	6995500
2009	6808400
2010	6216300
2011	5903900
2012	5168000
2013	5084800
2014	5051400
2015	4813400
2016	4320200