Year	base year varies by country
1990	64.7026604068857
1991	65.6808132723631
1992	66.263892579682
1993	67.4340474748031
1994	68.6784827753224
1995	71.5637435733581
1996	71.5077263620953
1997	72.9953886693017
1998	75.256740211389
1999	75.954397199198
2000	77.1984021907639
2001	79.7485594552121
2002	80.5015966299992
2003	80.6544882458928
2004	81.1405615921659
2005	81.8943097112338
2006	82.6483297959808
2007	84.9238703116913
2008	87.5032093293515
2009	89.0554333285967
2010	89.3430206329985
2011	91.6869645751331
2012	94.4137095410741
2013	96.8290902887039
2014	98.4089763225236
2015	100
2016	100.087425458293
2017	100.907404599895
2018	102.927405630847
2019	104.467770034843
2020	106.175482731397
2021	108.721525356096
2022	114.574871059559
2023	120.071707840288
