Year	base year varies by country
1990	28.9978446542783
1991	30.7700113088638
1992	33.4057607603416
1993	33.6244782868787
1994	56.565771454921
1995	52.6200470756707
1996	55.0353340436893
1997	61.5495403931629
1998	63.6506205857429
1999	64.3674754070824
2000	65.7030352666859
2001	67.9151570212336
2002	68.9212192776723
2003	70.6769860985454
2004	75.6757990671862
2005	78.6991481844353
2006	82.8498283390758
2007	89.0541947297491
2008	97.1757813440114
2009	98.806122784083
2010	93.7216155644129
2011	92.8688801701262
2012	96.6082226573881
2013	98.8749318201729
2014	99.7184469367915
2015	103.67195069319
2016	105.999133564847
2017	106.322330670906
2018	107.489306929598
2019	109.101094247884
2020	110.436065317977
2021	109.992937384054
2022	116.194754184028
2023	126.455354361538