Year	base year varies by country
1990	26.630711043547812
1991	27.712482866361782
1992	31.912489591298822
1993	33.430400208670854
1994	34.390827274197875
1995	35.44387790406736
1996	38.33613130877481
1997	38.42469866924449
1998	39.91434081909294
1999	42.78226978954705
2000	44.065262227990985
2001	49.279957838200374
2002	51.937151748854816
2003	55.469107504901224
2004	49.65309902671265
2005	50.565463399522926
2006	51.769224038434444
2007	56.157967867189626
2008	60.233218994999106
2009	61.296411129547515
2010	68.01682640953149
2011	75.8834303238175
2012	80.55820406685466
2013	93.96531921729105
2014	93.2812036726704
2015	99.99999373121402
2016	100.22251945119712
2017	100.07049103158472
2018	98.74775696114419
2019	103.5608179440554
2020	83.7270656622502
2021	133.14865329897992
2022	148.26820950279546
2023	121.17846104218202