Year	base year varies by country
1987	7.486847611490017E-05
1988	7.388988543400985E-05
1989	7.490995990279974E-05
1990	7.789114360127169E-05
1991	0.00014855965955052329
1992	0.0012065261761431652
1993	0.014223530227426258
1994	0.19039550293372431
1995	0.8966561083585449
1996	1.627926281184679
1997	2.703775026552182
1998	3.7581920107226385
1999	5.416132069147457
2000	7.97756256804895
2001	11.586570093678365
2002	16.856504543379323
2003	21.36817886571791
2004	24.7696241845316
2005	30.077969292042606
2006	37.136007902646554
2007	45.2677166625086
2008	57.395655441924944
2009	67.30304389025751
2010	100
2011	121.62650993614916
2012	140.35552650350564
2013	157.18119470648756
2014	179.2257277886065
2015	198.04568292602954
2016	215.73189219114792
2017	256.8543057597626
2018	326.00563751291776
2019	384.0830564273095
2020	428.0314714319995
2021	486.0036307131941
2022	558.4618809747437
2023	626.7789516701499