Year	Total
1971	787600
1972	801400
1973	815100
1974	828900
1975	842600
1976	856400
1977	870200
1978	883900
1979	897700
1980	911400
1981	925200
1982	939000
1983	952700
1984	966500
1985	1058000
1986	1118000
1987	1169000
1988	1290000
1989	1290000
1990	1341000
1991	1290000
1992	1221000
1993	1144000
1994	1187000
1995	1221000
1996	1075000
1997	920000
1998	877000
1999	885600
2000	877000
2001	911400
2002	913200
2003	1008000
2004	1075000
2005	1129000
2006	1085000
2007	1142000
2008	1210000
2009	1072000
2010	1153000