Year	Total
1965	3776000
1966	4144000
1967	4379000
1968	4579000
1969	5115000
1970	5932000
1971	6679000
1972	7259000
1973	8155000
1974	8932000
1975	10049000
1976	10506000
1977	11178000
1978	12366000
1979	11629000
1980	11279000
1981	10775000
1982	10197000
1983	9669000
1984	10137000
1985	10325000
1986	9530000
1987	10001000
1988	9241000
1989	8930000
1990	9276000
1991	8014000
1992	8090000
1993	7691000
1994	8129000
1995	7651000
1996	7073000
1997	7106000
1998	7431000
1999	7141000
2000	6849000
2001	6692000
2002	6398000
2003	6139000
2004	6345000
2005	7358000
2006	7755000
2007	7736000
2008	7492000
2009	7064000
2010	6696000
2011	6371200
2012	5949200
2013	5904200
2014	6599200
2015	6994600
2016	7102200