Year	base year varies by country
1990	44.2576065319664
1991	45.6399032422186
1992	46.8157607336514
1993	47.6988889393548
1994	49.2148858145644
1995	50.5801965334862
1996	52.5586676151661
1997	53.2588805857273
1998	56.6462213255755
1999	57.4804942771462
2000	59.374517896227
2001	62.6430322776334
2002	64.2402906851041
2003	67.0780881066366
2004	66.2113197758947
2005	70.5747268801081
2006	74.4513005347071
2007	77.2674090477514
2008	82.3375865859519
2009	86.4401026052351
2010	88.5960039866391
2011	90.6955754334167
2012	91.765083188882
2013	92.8497604165674
2014	93.9644727271727
2015	95.8226619615302
2016	97.9514414356902
2017	100
2018	102.046115685438
2019	104.508337690896
2020	106.99802253029
2021	109.993581866344
2022	113.329774123212
2023	116.996512996382
