Year	base year varies by country
1990	37.3716562319384
1991	39.7748746571716
1992	40.8940923380904
1993	43.0190739349176
1994	43.8620619277482
1995	45.6948221823941
1996	59.1129685375105
1997	61.4916171119461
1998	63.1774412212562
1999	64.8909089532975
2000	62.1418989427849
2001	61.2910547089085
2002	66.5500982877799
2003	68.4299652151524
2004	71.6407967629039
2005	76.4854159050523
2006	80.5981896890988
2007	85.8974358974359
2008	90.2858621135688
2009	91.2280701754386
2010	93.26813235321
2011	92.1943774011801
2012	98.3697445916743
2013	100
2014	103.011890877215
2015	106.052822570235
2016	110.690728681653
2017	110.58575652825
2018	112.367422425256
2019	115.08598584514
2020	114.614358457867
2021	115.028574784288
2022	116.107803731033