Year	Total
1960	45300
1961	44090
1962	44680
1963	42570
1964	45790
1965	45990
1966	45900
1967	44350
1968	41150
1969	41390
1970	50090
1971	47610
1972	46850
1973	44170
1974	42310
1975	43570
1976	41110
1977	44500
1978	45710
1979	47850
1980	52600
1981	63970
1982	63560
1983	73000
1984	85060
1985	93320
1986	99850
1987	103800
1988	104500
1989	109300
1990	111900
1991	118500
1992	120200
1993	126400
1994	123800
1995	127800
1996	131800
1997	128700
1998	125400
1999	127100
2000	130800
2001	132100
2002	134200
2003	135800
2004	137000
2005	137000
2006	137200
2007	135300
2008	137300
2009	129500
2010	135800