Year	Total
1971	0
1972	0
1973	0
1974	89080
1975	216400
1976	221200
1977	140800
1978	249000
1979	231500
1980	201200
1981	242100
1982	160800
1983	292800
1984	399100
1985	495800
1986	491100
1987	555900
1988	498500
1989	433300
1990	626100
1991	666900
1992	608900
1993	666400
1994	708100
1995	607600
1996	641400
1997	684500
1998	640800
1999	611000
2000	531100
2001	607000
2002	500500
2003	650600
2004	676600
2005	591000
2006	661300
2007	620600
2008	630300
2009	701700
2010	616600