Year	base year varies by country
1990	12.2626736965604
1991	13.9172046755359
1992	15.3369554736432
1993	16.6925204313523
1994	18.867291442221
1995	21.3212627730928
1996	23.1066221636343
1997	26.1991003234067
1998	28.1708542800704
1999	29.8223103783913
2000	30.9320133236896
2001	32.7918910804438
2002	34.0777852701855
2003	35.2884524620585
2004	37.8473391838858
2005	39.9501682959853
2006	42.3462348413628
2007	46.7211618151761
2008	51.8233310003367
2009	58.2362745442787
2010	64.4027064874612
2011	74.9718064842142
2012	82.4077467407085
2013	88.4919988319867
2014	94.8720643802864
2015	99.0862628228838
2016	100
2017	104.029745993256
2018	108.026346868906
2019	117.787969289243
2020	129.501391787481
2021	142.79774268153
2022	162.671472899656
2023	205.226883634249