Year	base year varies by country
1990	32.8671328671329
1991	39.2592592592593
1992	50.2994011976048
1993	52.0958083832335
1994	54.1176470588236
1995	53.1428571428572
1996	59.4285714285715
1997	61.0169491525424
1998	64.6739130434783
1999	67.7966101694915
2000	68.2539682539683
2001	68.8524590163935
2002	74.1935483870968
2003	80.8743169398908
2004	78.0219780219781
2005	80.9782608695653
2006	76.4102564102565
2007	82.089552238806
2008	89.7435897435898
2009	91.8367346938776
2010	90.9090909090909
2011	92.6829268292683
2012	92.1658986175115
2013	89.6995708154506
2014	94.0677966101695
2015	96.958174904943
2016	98.5815602836879
2017	99.6575342465753
2018	103.64238410596
2019	100
2020	104.516129032258
2021	114.243323442137
2022	111.428571428571
2023	115.068493150685