Year	base year varies by country
1990	61.9572690229339
1991	63.8511601708573
1992	64.7903154925813
1993	65.6254904427893
1994	66.5807553998355
1995	68.0876947690984
1996	69.2283509111884
1997	70.0204120702274
1998	69.8970184196155
1999	71.2417361518867
2000	74.3579914841635
2001	75.528145920403
2002	76.4779300706626
2003	78.9632616663383
2004	81.5381540552542
2005	84.079403560706
2006	86.2403894160411
2007	89.0867928324805
2008	92.646982994056
2009	90.4930128371262
2010	93.0708309767074
2011	96.090472369214
2012	97.2612806831953
2013	98.9543446636502
2014	100.87524539044
2015	100
2016	100.716978140661
2017	103.306426407978
2018	105.012137614296
2019	106.6356995625
2020	107.777565582849
2021	116.038570940455
2022	124.919954205826
2023	126.92522153949