Year	Total
1973	161200
1974	202900
1975	193500
1976	240200
1977	188900
1978	241300
1979	246800
1980	302800
1981	320300
1982	324400
1983	341200
1984	453800
1985	477500
1986	517400
1987	451200
1988	538600
1989	557600
1990	521200
1991	442400
1992	381800
1993	432500
1994	504000
1995	535900
1996	604500
1997	521800
1998	435600
1999	674100
2000	670600
2001	610800
2002	604700
2003	676700
2004	738900
2005	721200
2006	854600
2007	736300
2008	846300
2009	841600
2010	670900