Year	base year varies by country
1990	6.5646649163597
1991	13.6177439596715
1992	23.8884841108928
1993	49.5447160464838
1994	79.2543503854886
1995	85.5980113757925
1996	88.193772776626
1997	93.4898757111091
1998	103.173311475089
1999	104.474896740837
2000	100
2001	102.646541003399
2002	103.378555812108
2003	105.236803542315
2004	110.313151187534
2005	117.016527085196
2006	122.435690469549
2007	130.416089799282
2008	146.396999141014
2009	150.063343133081
2010	154.746209121502
2011	159.951974116231
2012	162.25611129749
2013	163.523960352288
2014	167.828231298646
2015	170.825832245094
2016	176.762464816109
2017	182.66817328587
2018	188.352480532265
2019	194.446383509283
2020	193.139982762542
2021	195.635245113731
2022	203.598364649885
2023	208.452273290397