Year	base year varies by country
2004	78.38444283697342
2005	80.8783437939592
2006	83.46573965434814
2007	86.03344013379352
2008	94.24106539670068
2009	93.81272876116311
2010	94.39835766212616
2011	96.921634496407
2012	97.030950057272
2013	97.51259457073714
2014	99.32375428784336
2015	100
2016	100.11794962708382
2017	100.47426457090032
2018	102.87502788820322
2019	103.1397203113936
2020	105.53593316722385
2021	108.63195272046322
2022	112.51150564582062