Year	2010 = 100
1960	2.65363900126702
1961	2.6276441702342
1962	2.43300386132796
1963	2.40867382271468
1964	2.45733389994124
1965	2.45327889350569
1966	2.67833175067853
1967	2.92163213681133
1968	2.81620196948711
1969	2.75334936973614
1970	3.02300729769999
1971	3.29469272888161
1972	3.14465749076639
1973	4.17057411895968
1974	4.74435752958952
1975	5.1032255991354
1976	5.71350406768516
1977	6.22848988499958
1978	7.03138115923781
1979	7.6396321245698
1980	8.78314393939394
1981	10.4519412878788
1982	11.59375
1983	11.9450757575758
1984	12.999053030303
1985	14.3165246212121
1986	20.1133996212121
1987	29.5113636363636
1988	43.3636363636363
1989	49.3863636363636
1990	60.2272727272727
1991	68.6590909090909
1992	70.4659090909091
1993	76.4886363636363
1994	87.3295454545454
1995	93.3522727272727
1996	96.3636363636364
1997	98.7727272727273
1998	98.1704545454545
1999	96.3636363636363
2000	90.9090909090909
2001	87.2727272727273
2002	91.8181818181818
2003	96.3636363636364
2004	97.2727272727273
2005	100
2006	104
2007	108
2008	115
2009	145