Year	base year varies by country
1990	0.00255493308937798
1991	0.00468956723455536
1992	0.0546488977534665
1993	0.462944212848655
1994	6.87966301658957
1995	44.4189812811194
1996	56.1541043212809
1997	61.3441499069767
1998	60.752097047405
1999	62.0656434562818
2000	69.8193639087621
2001	71.5753280506694
2002	74.5917888226914
2003	79.7844706229203
2004	87.1661020060435
2005	100
2006	111.301219143831
2007	134.707118425148
2008	172.125333738561
2009	139.688388111946
2010	158.610321243664
2011	194.336282806762
2012	199.938867545439
2013	200.828724484622
2014	198.248084371587
2015	180.703738380863
2016	207.215507107444
2017	240.727228422171
2018	270.059545007326
2019	269.407869916397
2020	249.48255592103
2021	303.342906315825
2022	416.400509728352
2023	378.06401613124