Year	Total
1965	10405000
1966	11863000
1967	12553000
1968	13637000
1969	16421000
1970	18277000
1971	18029000
1972	19088000
1973	17601000
1974	15955000
1975	15745000
1976	16741000
1977	16729000
1978	16657000
1979	15909000
1980	13589000
1981	12825000
1982	11040000
1983	10442000
1984	10321000
1985	10640000
1986	10506000
1987	9645000
1988	9583000
1989	9230000
1990	9030000
1991	9157000
1992	9071000
1993	9521000
1994	10147000
1995	10581000
1996	11525000
1997	11109000
1998	10714000
1999	10646000
2000	10343000
2001	9924000
2002	9583000
2003	9228000
2004	9058000
2005	9163000
2006	9357000
2007	9416000
2008	9278000
2009	8260000
2010	8355000
2011	8257000
2012	7752000
2013	7722000
2014	7829100
2015	7988700
2016	8038300