Year	base year varies by country
1990	5.77596975120701
1991	8.88278325785087
1992	10.8304324879823
1993	12.3060166026112
1994	15.8843167098961
1995	20.4235838575829
1996	25.3297175787643
1997	27.1032950438356
1998	26.2546668360898
1999	29.1049617649436
2000	35.7053876687055
2001	35.5363576637838
2002	36.0242206614459
2003	39.2456729911627
2004	43.7379304372415
2005	49.144635533798
2006	54.4430089934811
2007	58.3060212919467
2008	67.1206568859032
2009	62.1713486731557
2010	71.8432944819163
2011	83.9910676237691
2012	90.7124079075282
2013	91.5222456446943
2014	92.849651952053
2015	88.2194767661221
2016	88.975242635113
2017	93.3688466067864
2018	99.1247356929032
2019	100
2020	95.2886160837755
2021	110.49086474586
2022	135.777887185782
2023	132.711677248411