Year	base year varies by country
1990	41.8971083328616
1991	40.7907132606823
1992	38.6688059981061
1993	37.1727820099795
1994	45.43048043165
1995	47.3610311257626
1996	50.6614484908026
1997	54.2035355231731
1998	57.498114593685
1999	57.7164617502878
2000	59.5509181348517
2001	62.5359203719188
2002	64.1445330556273
2003	64.0236325539368
2004	64.2713668963209
2005	69.7889894733084
2006	70.8331706457356
2007	75.8174607924565
2008	83.4970991325624
2009	86.9956776827662
2010	90.0188149028952
2011	93.5940068208591
2012	98.5622943345657
2013	98.1984278891205
2014	97.8000596046225
2015	100
2016	101.792721465576
2017	102.167600370519
2018	104.623388925752
2019	104.59787885306
2020	105.814330994449
2021	109.114305365647
2022	113.499609275866
2023	117.344882881172