Year	Total
1965	14843000
1966	16166000
1967	16693000
1968	20048000
1969	21966000
1970	25039000
1971	27634000
1972	31822000
1973	39086000
1974	42046000
1975	43360000
1976	46944000
1977	48440000
1978	53382000
1979	56612000
1980	54977000
1981	52280000
1982	53781000
1983	52207000
1984	53936000
1985	55820000
1986	62946000
1987	64682000
1988	66165000
1989	67265000
1990	65477000
1991	66486000
1992	71122000
1993	73890000
1994	78843000
1995	82150000
1996	87229000
1997	92464000
1998	95771000
1999	96833000
2000	94370000
2001	96095000
2002	95265000
2003	92274000
2004	95993000
2005	98993000
2006	100020000
2007	107490000
2008	116210000
2009	116960000
2010	126820000
2011	131860000
2012	134310000
2013	144180000
2014	150590000
2015	146620000
2016	138820000