1953	23700
1954	25230.7692307692
1955	26302.3255813953
1956	25879.3103448276
1957	27957.1428571429
1958	29463.768115942
1959	30422.5352112676
1960	30772.1518987342
1961	32741.5730337079
1962	33561.9047619048
1963	36467.1532846715
1964	39949.4382022472
1965	42227.5132275132
1966	47393.5185185185
1967	50171.3147410359
1968	56006.8728522337
1969	63588.0597014925
1970	69046
1971	74737.5
1972	78076.7
1973	87472.7
1974	93755.1
1975	99331.3
1976	109832.9
1977	120810.5
1978	132040
1979	140996.2
1980	138897.9
1981	147458.2
1982	158259.7
1983	175312
1984	189516.2
1985	202408
1986	223901.5
1987	248763.9
1988	275235.3
1989	293798.5
1990	320696.4
1991	350819.9
1992	371433
1993	394215.8
1994	427868.2
1995	467099.2
1996	499789.8
1997	523034.7
1998	487183.5
1999	533399.3
2000	578664.5
2001	600865.9
2002	642748.1
2003	662654.8