Year	Total
1965	13657000
1966	17434000
1967	18499000
1968	24183000
1969	29008000
1970	36902000
1971	53561000
1972	63129000
1973	70511000
1974	78986000
1975	82133000
1976	94062000
1977	96759000
1978	88574000
1979	88671000
1980	84297000
1981	74072000
1982	65082000
1983	60843000
1984	59937000
1985	58326000
1986	73408000
1987	74577000
1988	75714000
1989	95005000
1990	107600000
1991	124510000
1992	118420000
1993	114590000
1994	116250000
1995	112330000
1996	117780000
1997	122070000
1998	125250000
1999	120220000
2000	124490000
2001	119400000
2002	112530000
2003	126180000
2004	132000000
2005	135720000
2006	144300000
2007	139570000
2008	141400000
2009	126230000
2010	133340000
2011	151280000
2012	154750000
2013	165100000
2014	166200000
2015	176180000
2016	182370000