Year	base year varies by country
1990	0.0346449468482639
1991	0.102203971583824
1992	0.306467700460351
1993	1.00309555594965
1994	2.39762979877799
1995	3.45099184387692
1996	4.96950707283173
1997	11.6951584068597
1998	17.3245667418802
1999	25.9041188970036
2000	37.0897218583866
2001	51.1676136710352
2002	62.7899631065695
2003	77.3278836747159
2004	89.2801421545018
2005	100
2006	110.606579357102
2007	128.10036754771
2008	148.616384250316
2009	154.690006290813
2010	163.832650263076
2011	170.348181952419
2012	176.826682051429
2013	179.284019667787
2014	182.350250239498
2015	188.303537828593
2016	193.239513625645
2017	202.228955115994
2018	214.79196910768
2019	229.409260607483
2020	238.836410188211
2021	251.84224894876
2022	285.088095124751
2023	319.769432533573