Year	base year varies by country
1990	0.00980827147361627
1991	0.023027033283006
1992	0.214177412357424
1993	1.82999168690212
1994	5.13998786808567
1995	7.30038075547737
1996	9.88054760273066
1997	11.7884367254624
1998	12.8585328099724
1999	17.6900545659648
2000	22.4949808476032
2001	24.1445319791647
2002	24.6335301211164
2003	25.6126051544834
2004	26.9210749772269
2005	28.8401767232569
2006	31.5487358924164
2007	36.2421000624472
2008	44.293640812359
2009	46.0810238104913
2010	50.7047492907868
2011	62.1041110370103
2012	67.4800396396702
2013	69.6226578525059
2014	75.4815614654782
2015	78.0685315885704
2016	82.7921182674162
2017	88.0304963529517
2018	91.0652993999675
2019	100
2020	105.340185535087
2021	122.187028540063
2022	146.205680047254
2023	165.820256005497