Year	Total
1971	433400
1972	443600
1973	443300
1974	526400
1975	583800
1976	688100
1977	777000
1978	801400
1979	817700
1980	842700
1981	878300
1982	900600
1983	844100
1984	828300
1985	744900
1986	798000
1987	744500
1988	773900
1989	857600
1990	854000
1991	851200
1992	834000
1993	901500
1994	943300
1995	981300
1996	993600
1997	1031000
1998	1051000
1999	1260000
2000	1178000
2001	1301000
2002	1106000
2003	1119000
2004	1087000
2005	1087000
2006	1111000
2007	1334000
2008	1262000
2009	1106000
2010	1122000