Year	Total
1960	64810
1961	66800
1962	68730
1963	71340
1964	75730
1965	77290
1966	79870
1967	81500
1968	85850
1969	91590
1970	95760
1971	99250
1972	103700
1973	107400
1974	110800
1975	115700
1976	119600
1977	122800
1978	131800
1979	135300
1980	126600
1981	108200
1982	124500
1983	126800
1984	127800
1985	128800
1986	131200
1987	132300
1988	132300
1989	122100
1990	103900
1991	99840
1992	97670
1993	97350
1994	97430
1995	99360
1996	98960
1997	100000
1998	87600
1999	83920
2000	79580
2001	80280
2002	80200
2003	79860
2004	78820
2005	78650
2006	77630
2007	72510
2008	71360
2009	67520
2010	67790