Year	base year varies by country
2002	74.609804352605
2003	77.7729352800174
2004	79.1692244730919
2005	83.1786771964462
2006	86.844262295082
2007	89.4608341810783
2008	92.8813559322034
2009	95.850704784594
2010	96.078431372549
2011	96.6828322017459
2012	100
2013	100.840493089279
2014	102.935779816514
2015	105.532302092812
2016	107.193460490463
2017	108.264314007922
2018	109.858387799564
2019	112.537630600319
2020	117.078962992282
2021	120.884235020361
2022	127.490774907749
