Year	base year varies by country
1960	71.5120517858913
1961	71.57494476868051
1962	71.68312732454527
1963	71.73395613744844
1964	71.77538346957725
1965	71.82721854924026
1966	71.76227102667531
1967	71.81166271025153
1968	71.8398038772327
1969	71.83316276149473
1970	71.78574898213449
1971	71.73808245001155
1972	71.78115104225537
1973	71.8724773602528
1974	71.80036246146857
1975	71.8841013624554
1976	72.16699676727036
1977	71.99372052217024
1978	72.11526380079746
1979	72.20139510793517
1980	72.36044840219303
1981	72.33305106166296
2007	71.46470342639822
2008	80.98443693969294
2009	86.65312862416341
2010	89.09999288603167
2011	93.40760693204096
2012	100.00009793138761
2013	107.58025578376265
2014	116.04015278023616
2015	123.45367237690672
2016	128.01023100340979
2017	135.58568391427315
2018	145.11624238354779
2019	147.44907724471358
2020	149.83168355533653
2021	153.26211051299043
2022	164.1166251383711