Year	base year varies by country
1990	31.9152615850043
1991	38.2305710315263
1992	43.8882422449707
1993	50.2207658167996
1994	55.836395792516
1995	61.3038042591123
1996	65.9847788955666
1997	70.309012551927
1998	73.8972810744179
1999	76.5743824690102
2000	77.7939602126973
2001	80.4971078550634
2002	83.1927715764211
2003	86.0658953622684
2004	88.7018029506312
2005	90.6890066486005
2006	93.8586260591891
2007	97.0710942938149
2008	101.28842867645
2009	103.891309008808
2010	103.706921809117
2011	104.701489836312
2012	104.413411640726
2013	102.277505616768
2014	100.294595750523
2015	100
2016	99.4214192484161
2017	99.7051742020813
2018	99.5404173418504
2019	99.766219995737
2020	99.0160305522562
2021	100.48673570894
2022	108.371773848544
2023	113.269618568403