Year	base year varies by country
1997	84.3811394891945
1998	85.92321755027422
1999	87.25901089689857
2000	89.49958982772765
2001	91.91919191919192
2002	94.1130906274206
2003	96.42058165548099
2004	98.35948644793152
2005	100
2006	102.01207243460763
2007	100
2008	102.83196979232221
2009	103.85964912280701
2010	105.34521158129175
2011	105.50607287449392
2012	108.79790940766551
2013	110.97453906935908
2014	111.40583554376657
2015	110.57842412437915
2016	112.03441613796042
2017	113.98757467247502
2018	116.34061573495704
2019	117.40408548881851
2020	117.80863268638771
2021	125.98969176263253