Year	base year varies by country
1990	2.84541417588542E-05
1991	5.7693225358735E-05
1992	0.00184618321146624
1993	0.0227817189004859
1994	0.239733656807294
1995	1.93157838186276
1996	24.6138785478034
1997	39.8252663465758
1998	46.8412051903371
1999	57.6171670229455
2000	63.2613965442178
2001	72.5257154502306
2002	78.5851630668946
2003	88.1219436558275
2004	93.4345496232577
2005	100
2006	112.249959293056
2007	122.654794893926
2008	195.92924225524
2009	215.05392720514
2010	220.013260343661
2011	248.301364893961
2012	268.836096548485
2013	271.934286939472
2014	273.754019429738
2015	259.646659603213
2016	247.013284258251
2017	243.203245924758
2018	246.148135515297
2019	256.936198508464
2020	245.760137375756
2021	252.572067777592
2022	268.908190047037
2023	267.934107131487
