Year	base year varies by country
1970	39.36641094695199
1971	44.03415825713878
1972	47.09834286086742
1973	48.62976618203841
1974	54.39671234451077
1975	56.75165820483855
1976	57.04857944049766
1977	54.65600516034278
1978	59.750608939657766
1979	61.50011514610287
1980	64.81824843033101
1981	63.173843358469064
1982	61.76661469676068
1983	62.752782867945854
1984	64.37455937218394
1985	62.985655611602645
1986	60.520358603257726
1987	60.889826548950566
1988	61.64073231427529
1989	62.02589070119908
1990	65.28924311675527
1991	60.465776042174745
1992	62.73065552098823
1993	74.63410593744302
1994	94.24946533574278
1995	104.15382801369375
1996	101.37123665097725
1997	100.00010235427281
1998	101.29920886155584
1999	105.13753309559732
2000	106.96814970095505
2001	107.45478965147672
2002	112.32590412814125
2003	115.66592673017877
2004	116.36683744646632
2005	116.80912522982219
2006	128.91704674889152
2007	133.5448792593082
2008	133.08477365894868
2009	133.92876404979182
2010	135.53865278860536
2011	141.39902850935624
2012	145.51947793561737
2013	149.38713862478943
2014	154.56097654453473
2015	159.87640389650662
2016	166.79641301451636
2017	173.65773508374753
2018	175.45035063073195
2019	181.66961464351144
2020	211.74676812983498
2021	1062.103136724731
2022	1212.448104982496
