1950	2556518868	2.56
1951	2594286254	2.59
1952	2636327643	2.64
1953	2681645413	2.68
1954	2729591524	2.73
1955	2781022925	2.78
1956	2833962411	2.83
1957	2889768830	2.89
1958	2946253980	2.95
1959	2998566971	3.00
1960	3040617514	3.04
1961	3081358379	3.08
1962	3137310562	3.14
1963	3206785109	3.21
1964	3277857884	3.28
1965	3346786759	3.35
1966	3416916307	3.42
1967	3486555218	3.49
1968	3558296838	3.56
1969	3632821593	3.63
1970	3707921742	3.71
1971	3785258171	3.79
1972	3861315414	3.86
1973	3936849418	3.94
1974	4011271026	4.01
1975	4083757242	4.08
1976	4154731915	4.15
1977	4226272936	4.23
1978	4297733768	4.30
1979	4371971071	4.37
1980	4447068714	4.45
1981	4522627295	4.52
1982	4601810278	4.60
1983	4682880750	4.68
1984	4762784701	4.76
1985	4844208978	4.84
1986	4927365105	4.93
1987	5013324737	5.01
1988	5099966517	5.10
1989	5186497247	5.19
1990	5274320491	5.27
1991	5358109723	5.36
1992	5441268139	5.44
1993	5522252814	5.52
1994	5602209191	5.60
1995	5682811578	5.68
1996	5762747851	5.76
1997	5841776456	5.84
1998	5919994685	5.92
1999	5997038027	6.00
2000	6073265234	6.07