Year	base year varies by country
1990	16.845082009010323
1991	18.42575339448926
1992	20.1661085344615
1993	22.651053480241632
1994	24.955182193325708
1995	26.56734479494395
1996	29.148707144341166
1997	32.55886458287772
1998	35.99305206147649
1999	37.72671664160994
2000	40.23855115002678
2001	42.23236812579561
2002	44.1547481167305
2003	45.64414597579997
2004	47.63097520430176
2005	50.64780371205033
2006	54.89568781101043
2007	57.6028390186791
2008	60.57798854401524
2009	63.06102908477927
2010	66.49447284133076
2011	72.68810467353268
2012	79.48112625731407
2013	84.93336819934176
2014	88.82228811193244
2015	90.65760476119176
2016	95.43058791450326
2017	99.99999505752425
2018	102.40994126579662
2019	106.88309372690196
2020	110.9693742369416
2021	120.03238323918801
2022	132.72886689769086