Year	base year varies by country
1990	61.7792432476967
1991	58.1861270617435
1992	58.6160159577263
1993	60.5122992639622
1994	84.4523880466454
1995	97.8034524738716
1996	96.1876228608452
1997	101.555082504424
1998	103.321709360122
1999	100
2000	99.380272079615
2001	104.029641046308
2002	107.684079293032
2003	99.5062441982057
2004	103.087099926235
2005	110.820395344993
2006	115.970078774709
2007	121.252569298078
2008	130.075352015316
2009	136.105557094295
2010	142.046564300852
2011	159.351941161349
2012	166.690747614362
2013	167.778624445032
2014	169.907136957833
2015	174.806425180911
2016	177.16827379732
2017	180.595192256104
2018	183.228204984489
2019	186.765502563912
2020	187.759730379258
2021	194.066530902444
2022	205.182340534374
2023	211.048232350309