Year	base year varies by country
1990	53.2173253904558
1991	56.633391530139
1992	58.5141747373882
1993	60.1133930106611
1994	60.9511474340022
1995	67.9538266732728
1996	70.7652643953002
1997	70.6611700845711
1998	71.5601815227645
1999	72.5428020475724
2000	73.372610357408
2001	74.4771239303235
2002	76.0580782920021
2003	77.8779778415345
2004	79.9184559203036
2005	82.2643248459228
2006	84.556894728526
2007	86.4615517865928
2008	89.4040805513553
2009	91.0948117888013
2010	92.5375179695639
2011	94.5633351739984
2012	96.0184792061415
2013	98.0512518387778
2014	99.3433498736803
2015	100
2016	101.964798274078
2017	103.8578166072
2018	105.854018257222
2019	108.093606381207
2020	113.588678280518
2021	113.451886745817
2022	119.290478313775
2023	127.783336977363