Year	Total
1971	61010000
1972	46010000
1973	51010000
1974	49010000
1975	52010000
1976	58010000
1977	64010000
1978	74010000
1979	84020000
1980	87020000
1981	92020000
1982	90020000
1983	103000000
1984	104000000
1985	109000000
1986	108000000
1987	118000000
1988	116000000
1989	125000000
1990	137000000
1991	139000000
1992	153000000
1993	167000000
1994	182000000
1995	190000000
1996	201000000
1997	232000000
1998	331100000
1999	327100000
2000	397100000
2001	469100000
2002	515100000
2003	579100000
2004	575100000
2005	690100000
2006	646100000
2007	783100000
2008	700100000