Year	base year varies by country
1990	0.00155389575520868
1991	0.00310209665481552
1992	0.0209085816057739
1993	0.273319288929173
1994	0.992180390576231
1995	3.91445689125835
1996	20.7627775910654
1997	34.3107391620406
1998	64.4617637626305
1999	81.5448684420571
2000	100
2001	130.947706315931
2002	155.591675225369
2003	197.73596596453
2004	232.204466136055
2005	254.297152924137
2006	307.858335302683
2007	391.712798197884
2008	502.032783390021
2009	562.910290270803
2010	633.058300290311
2011	717.409239182052
2012	802.555066570075
2013	831.711967984394
2014	871.356860974967
2015	931.186409717782
2016	936.227757557127
2017	1028.02926268784
2018	1053.65009126127
2019	1092.19981804079
2020	1110.28621129111
2021	1221.80901587115
2022	1322.75821003773
2023	1351.70306949344