Year	base year varies by country
1990	47.2598327376942
1991	49.8507681639659
1992	50.7207556827288
1993	51.2301693243666
1994	52.5512488869884
1995	55.2130453481515
1996	54.9904992436482
1997	56.5707622022633
1998	57.9455662912278
1999	59.297165313194
2000	61.6713826415386
2001	61.1088528445828
2002	61.3604443809236
2003	64.5662314153514
2004	65.0234473873951
2005	69.5080732742954
2006	73.1055425037206
2007	75.7306894907834
2008	77.6487763439825
2009	77.8960384147039
2010	82.1201999228541
2011	83.2800696983344
2012	84.9568045613123
2013	90.0590669827621
2014	93.4636034584779
2015	96.4885088716453
2016	96.4338142532743
2017	99.769065074097
2018	100
2019	102.17847636403
2020	96.899276740201
2021	105.764138745433
2022	114.417888137637
2023	119.217861670477