Year	Total
1960	33680000000
1961	38250000000
1962	45700000000
1963	52310000000
1964	52390000000
1965	57270000000
1966	59820000000
1967	62370000000
1968	66670000000
1969	72200000000
1970	77230000000
1971	80690000000
1972	86900000000
1973	91320000000
1974	92640000000
1975	89230000000
1976	85130000000
1977	85920000000
1978	85820000000
1979	89690000000
1980	86120000000
1981	84450000000
1982	82800000000
1983	82970000000
1984	83910000000
1985	88240000000
1986	91840000000
1987	93270000000
1988	92380000000
1989	92290000000
1990	93810000000
1991	98120000000
1992	99500000000
1993	100500000000
1994	101400000000
1995	102200000000
1996	107500000000
1997	104500000000
1998	109400000000
1999	110300000000
2000	111900000000
2001	115400000000
2002	114600000000
2003	115800000000
2004	115500000000
2005	116800000000
2006	116500000000
2007	115100000000
2008	117900000000