Year	base year varies by country
2002	68.0008338544924
2003	72.059439095856
2004	76.94022289766971
2005	86.70452320344624
2006	84.82784714339765
2007	87.01345943979629
2008	76.26235399820305
2009	80.81954597922277
2010	82.6926754637598
2011	87.97916666666666
2012	100
2013	97.54697286012527
2014	94.71307120085017
2015	97.73212379935966
2016	99.7373949579832
2017	100.37037037037038
2018	101.84319833852544
2019	103.93442622950819
2020	107.71406531241965
2021	111.1