Year	Total
1971	89940
1972	92260
1973	91830
1974	102300
1975	111300
1976	108000
1977	105300
1978	108300
1979	112500
1980	117400
1981	155600
1982	175200
1983	179600
1984	187300
1985	205300
1986	209000
1987	210700
1988	221200
1989	229100
1990	228400
1991	229700
1992	232300
1993	240900
1994	231100
1995	236700
1996	246600
1997	265900
1998	267900
1999	286700
2000	296000
2001	298700
2002	273600
2003	303400
2004	337100
2005	324300
2006	334700
2007	330800
2008	363900
2009	345300
2010	366300