Year	base year varies by country
1990	55.8561779794048
1991	58.673757316811
1992	60.4421542973167
1993	62.275807801194
1994	63.9103372467119
1995	65.7043813427031
1996	67.5414448545877
1997	71.5610222607827
1998	73.4796003467169
1999	75.3254900044154
2000	74.485068503305
2001	74.2480838700781
2002	77.2350703790508
2003	77.9659974377367
2004	79.5054020735642
2005	81.0663337083335
2006	83.8862268917182
2007	85.1913315863671
2008	89.8500439127779
2009	89.4181438127693
2010	90.2749957250865
2011	96.8978298533525
2012	102.895370940176
2013	102.347451063778
2014	103.339539616091
2015	100
2016	107.346416007986
2017	109.681733314942
2018	106.973083122396
2019	102.484243289648
2020	109.466914251675
2021	115.9225607029
2022	117.159007482917
2023	124.561403508772