Year	Total
1965	2718000
1966	3014000
1967	3170000
1968	3253000
1969	3378000
1970	3975000
1971	4103000
1972	4417000
1973	4679000
1974	4462300
1975	4282300
1976	4419100
1977	4419500
1978	4192200
1979	4244700
1980	4104000
1981	3889000
1982	3876500
1983	3716200
1984	3764000
1985	3608400
1986	3680800
1987	3892100
1988	4038400
1989	4148000
1990	4763600
1991	4585600
1992	4701000
1993	4543300
1994	5215900
1995	5655400
1996	5548600
1997	5882500
1998	5979200
1999	6021400
2000	6167200
2001	6207400
2002	6426800
2003	6799300
2004	6814500
2005	7000200
2006	7101700
2007	7143900
2008	7220400
2009	6874100
2010	7039500
2011	7013400
2012	6960000
2013	7060400
2014	7202100
2015	7493400
2016	7652100