Year	base year varies by country
1990	24.6186994980382
1991	26.3407418039915
1992	27.0982966090921
1993	26.4219766542912
1994	28.3383859998319
1995	32.8303973062335
1996	33.4252440933601
1997	36.2417760203254
1998	41.5127270170061
1999	46.1077268534665
2000	52.1489539748247
2001	55.7544878076529
2002	62.6069549283036
2003	66.0749654267699
2004	64.7585063815946
2005	72.6476332309485
2006	79.4983560213439
2007	82.5568803132987
2008	88.9654202640333
2009	84.6245216445726
2010	93.0168718059881
2011	97.0952960692026
2012	96.5372704815541
2013	100
2014	105.437392654128
2015	104.139333494952
2016	106.761401471145
2017	114.981532984968
2018	126.246970169457
2019	127.590418259973
2020	129.673486514052
2021	145.123572086144
2022	167.538491688632
2023	163.32485057387