Year	base year varies by country
1985	0.001377487602438527
1986	0.001321988605260779
1987	0.0013989679452443946
1988	0.0013629526991425938
1989	0.0014619409418658337
1990	0.0015538957552086842
1991	0.003102096654815526
1992	0.020908581605773895
1993	0.27331928892917334
1994	0.9921803905762314
1995	3.9144568912583506
1996	20.762777591065383
1997	34.31073916204065
1998	64.46176376263057
1999	81.5448684420571
2000	100
2001	130.947706315931
2002	155.59167522536893
2003	197.73596596452973
2004	232.2044661360549
2005	254.29715292413673
2006	307.85833530268303
2007	391.7127981978837
2008	502.0327833900212
2009	562.910290270803
2010	633.0583002903109
2011	717.4092391820517
2012	802.5550665700754
2013	831.7119679843936
2014	871.3568609749674
2015	931.1864097177825
2016	936.2277575571271
2017	1028.0292626878395
2018	1053.650091261271
2019	1092.19981804079
2020	1110.2862112911093
2021	1221.8090158711525
2022	1322.7582100377301
2023	1351.703069493442