Year	Total
1960	461100000
1961	506100000
1962	558100000
1963	618100000
1964	676100000
1965	749100000
1966	785100000
1967	853200000
1968	934200000
1969	1054000000
1970	1217000000
1971	1415000000
1972	1534000000
1973	1669000000
1974	1841000000
1975	2038000000
1976	2345000000
1977	2591000000
1978	2814000000
1979	3043000000
1980	3276000000
1981	3525000000
1982	3747000000
1983	3681000000
1984	4077000000
1985	4453000000
1986	4688000000
1987	4911000000
1988	5111000000
1989	5671000000
1990	5921000000
1991	6600000000
1992	6798000000
1993	7117000000
1994	7401000000
1995	7865000000
1996	8442000000
1997	8425000000
1998	8786000000
1999	9525000000
2000	10060000000
2001	10630000000
2002	11380000000
2003	11840000000
2004	12430000000
2005	13240000000
2006	13410000000
2007	13870000000
2008	13450000000