Year	base year varies by country
1990	52.5535414224489
1991	55.09012027435
1992	56.486878727168
1993	55.8117570840619
1994	57.1346614409388
1995	57.8839865234141
1996	59.9477004244302
1997	60.7622948120391
1998	62.7133733136565
1999	63.8530608458973
2000	68.8091533134494
2001	73.0197435626167
2002	73.1708105250734
2003	71.580449732223
2004	74.2627311086272
2005	76.4190121787332
2006	79.2482526928969
2007	85.0543062393223
2008	91.2340848658036
2009	90.190451565644
2010	95.2236175373338
2011	94.9199451495999
2012	95.9571751196247
2013	98.108708933943
2014	97.6724870133222
2015	96.9575499694111
2016	96.382087981939
2017	98.4750669777893
2018	100
2019	102.312470615646
2020	101.42547177151
2021	101.027429581392
2022	104.466444618809
2023	108.679726912969
