Year	Total
1971	66470
1972	56750
1973	88560
1974	94070
1975	102600
1976	93900
1977	95530
1978	119000
1979	123300
1980	115600
1981	140100
1982	113300
1983	156100
1984	182100
1985	257100
1986	432500
1987	383200
1988	454100
1989	575100
1990	490800
1991	569800
1992	757700
1993	677900
1994	524700
1995	647500
1996	701700
1997	439000
1998	832400
1999	808300
2000	861200
2001	1002000
2002	854100
2003	782400
2004	831800
2005	922200
2006	827400
2007	970400
2008	991200
2009	978800
2010	1520000