Year	Total
1971	71710
1972	73600
1973	60880
1974	86070
1975	94750
1976	97510
1977	106600
1978	117500
1979	125600
1980	127200
1981	135200
1982	138300
1983	104600
1984	179800
1985	205900
1986	227400
1987	187200
1988	223300
1989	240900
1990	270400
1991	267900
1992	249400
1993	326400
1994	351600
1995	382800
1996	279600
1997	296400
1998	336600
1999	358600
2000	274900
2001	267300
2002	231500
2003	283400
2004	254600
2005	296700
2006	398500
2007	339400
2008	355000
2009	335700
2010	484400