Year	2010 = 100
1969	18.9898384093359
1970	18.969563450456
1971	19.0054345315512
1972	19.7602868467712
1973	23.2818912429834
1974	26.5539576837511
1975	28.143202537489
1976	31.5197629970991
1977	35.9615386040134
1978	40.3159759265221
1979	53.8643272949436
1980	64.3979482391498
1981	66.5767265126257
1982	68.9894466193309
1983	75.1031265277242
1984	75.9936651062172
1985	83.5343901973094
1986	85.498642076549
1987	89.7366260342323
1988	89.8629444830418
1989	90.0840017684583
1990	93.6967094044085
1991	93.2040674540517
1992	96.3304490620855
1993	100.738962925535
1994	99.0589275563696
1995	100
