Year	base year varies by country
1993	81.27770128987366
1994	76.86163138173525
1995	84.34629735207969
1996	86.52296332220946
1997	89.1980065194186
1998	99.8034153651577
1999	101.28274691120089
2000	100
2001	102.89682146661654
2002	103.45671399576204
2003	105.05982770306478
2004	109.90702507972895
2005	115.93848127916226
2006	120.44662656085553
2007	128.24393889405894
2008	134.0915831917183
2009	135.11319129007418
2010	142.11363848142312
2011	144.14542761846351
2012	144.41226185987378
2013	145.14827645925013
2014	152.80522982253112
2015	155.09960696319826
2016	158.75370507082133
2017	162.9056114592067
2018	162.07367170230503
2019	164.81435765715437
2020	165.35620755459493
2021	163.37091296389812
2022	174.38846844409653
2023	165.28398262356512