Year	2010 = 100
1960	27.1277741865977
1961	30.2951950010774
1962	31.1139840551605
1963	32.1482439129498
1964	33.2471450118509
1965	35.9405300581771
1966	46.7356173238526
1967	62.2064210299504
1968	67.2915319974144
1969	80.3490627020039
1970	100
1971	119.09071320836
1972	158.888170652877
1973	241.370394311571
1974	413.703943115708