Year	base year varies by country
1993	21.74016051418126
1994	30.381387831864025
1995	38.27364288078196
1996	45.820793949979226
1997	50.65626089461917
1998	53.41395898159247
1999	55.43204028188805
2000	57.80893428558497
2001	61.05034421097184
2002	63.192071449572985
2003	64.75275306946591
2004	67.21933622838388
2005	70.40297867973679
2006	75.65882932371478
2007	82.69438147580209
2008	87.07020299090938
2009	85.19642353166019
2010	87.10164627699743
2011	91.19614898613099
2012	94.78516096117303
2013	97.5766793422819
2014	99.25264526549914
2015	100
2016	101.34381262502042
2017	105.06143014582254
2018	109.16957530900551
2019	112.67164725523429
2020	111.55466664860883
2021	116.06124884463433
2022	133.97349123175226
2023	143.09762558986412