Year	base year varies by country
1990	0.0013885077208645178
1991	0.002726425109200025
1992	0.042865301493452246
1993	0.5758788895099733
1994	9.483152101153248
1995	24.740469724569746
1996	34.364421191350495
1997	39.90937140384071
1998	42.16937713638188
1999	47.76952971900625
2000	56.094040325406866
2001	61.79119374513472
2002	65.37707519023186
2003	73.05137927520103
2004	84.8357552944261
2005	100
2006	121.5517089095579
2007	140.42516101599887
2008	169.8253285110779
2009	177.79197914878623
2010	212.53659512120225
2011	256.19789915592906
2012	268.4584284734997
2013	293.95951323638496
2014	310.9246208511422
2015	316.5944863900172
2016	359.7730152534362
2017	400.10754810710534
2018	436.93987255276994
2019	470.2927437097891
2020	490.09610470773737
2021	558.3668599359474
2022	668.750440660249
2023	731.2585196588416