Year	base year varies by country
2000	39.9399610054396
2001	35.2372159047566
2002	37.3956793300657
2003	41.7542348404138
2004	46.460535051461
2005	51.5306680318869
2006	55.240747969765
2007	67.6852489958384
2008	69.1041272562328
2009	67.6091255076128
2010	70.1881637052383
2011	81.8347290794015
2012	87.8101017027032
2013	92.0449945365142
2014	92.5668386097134
2015	94.8324703031589
2016	92.7485016686198
2017	94.9778567679371
2018	96.9451792533579
2019	103.267439582288
2020	110.457895899583
2021	113.593791422896
2022	124.278695318734