Year	Total
1971	102300
1972	97420
1973	206000
1974	189700
1975	225800
1976	279600
1977	195400
1978	238200
1979	247400
1980	258000
1981	259800
1982	173900
1983	304900
1984	350400
1985	428400
1986	431800
1987	432900
1988	500200
1989	397700
1990	528000
1991	475100
1992	578300
1993	464100
1994	485600
1995	686300
1996	780000
1997	867000
1998	1025000
1999	1139000
2000	1453000
2001	1675000
2002	1667000
2003	1529000
2004	1463000
2005	1490000
2006	1617000
2007	1458000
2008	1283000
2009	1602000
2010	2258000