Year	base year varies by country
1990	3.33926295050892E-05
1991	5.41729847414121E-05
1992	0.000764006379489713
1993	0.118760363686832
1994	7.2936369140376
1995	19.1628556592981
1996	27.4086842851954
1997	29.1998349979784
1998	31.2263973776692
1999	34.2643641657188
2000	35.8673233558462
2001	37.7949575579556
2002	40.0320693173719
2003	41.4035720995004
2004	44.8954228734863
2005	48.4579209075985
2006	52.5513094094811
2007	57.5266088862
2008	63.0447495449395
2009	61.698259805284
2010	70.4641618681004
2011	76.92693135261
2012	77.1509167842031
2013	76.6486913060634
2014	80.166793025019
2015	84.4776995305164
2016	86.3994138085896
2017	92.91975724882
2018	96.1578400830737
2019	100
2020	106.847933387699
2021	117.778036386206
2022	127.359809816809
2023	130.515256001561