Year	Total
1965	1735000
1966	1880000
1967	1943000
1968	1912000
1969	2134000
1970	2437200
1971	2453300
1972	2582600
1973	2538100
1974	2692400
1975	3200800
1976	3415900
1977	4332400
1978	4981500
1979	5410900
1980	5902400
1981	5774500
1982	6104200
1983	6864700
1984	8477300
1985	10021000
1986	10146000
1987	10624000
1988	10857000
1989	10773000
1990	9597700
1991	11003000
1992	10678000
1993	11001000
1994	11292000
1995	11843000
1996	12220000
1997	12293000
1998	12041000
1999	12193000
2000	12999000
2001	12793000
2002	12383000
2003	12848000
2004	13470000
2005	12991000
2006	12809000
2007	13575000
2008	13769000
2009	11110000
2010	14462000
2011	15449000
2012	15288000
2013	16478000
2014	17521000
2015	17675000
2016	16519000