Year	base year varies by country
1990	0.0819280900629311
1991	0.172971842010911
1992	0.353728743102472
1993	0.758633799514584
1994	3.76614659358575
1995	14.8901259281674
1996	13.0222880650151
1997	24.9375250959086
1998	20.9822427098121
1999	35.9106981781782
2000	44.7491960499863
2001	36.1811878458648
2002	39.1341880738919
2003	44.55763217114
2004	52.2715436174684
2005	71.0149957656442
2006	87.3802197269979
2007	100
2008	130.17540867057
2009	104.763606124508
2010	122.140473872968
2011	152.296269738679
2012	156.36222891926
2013	156.344094219056
2014	151.898963761794
2015	106.026002368229
2016	94.2526938452678
2017	108.061052604278
2018	127.732478082883
2019	124.316349551761
2020	110.36781124496
2021	153.30070531843
2022	194.682442863795
2023	159.270849834249