Year	base year varies by country
2004	73.32740502559211
2005	75.75771962026715
2006	73.07506988936012
2007	74.48370538175419
2008	79.62839149468225
2009	82.78699917884514
2010	89.52686571238971
2011	90.33326160598905
2012	94.1329324736253
2013	99.99999981542432
2014	106.84009673970732
2015	113.24044264899315
2016	118.9897535122954
2017	127.13305117778285
2018	134.56936244986375
2019	146.51199799770535
2020	153.80162196281194
2021	161.42736258048922
2022	166.7939378305805
2023	191.5958913192011