Year	base year varies by country
1990	26.6307110435478
1991	27.7124828663618
1992	31.9124895912988
1993	33.4304002086708
1994	34.3908272741979
1995	35.4438779040674
1996	38.3361313087748
1997	38.4246986692445
1998	39.9143408190929
1999	42.782269789547
2000	44.065262227991
2001	49.2799578382004
2002	51.9371517488548
2003	55.4691075049012
2004	49.6530990267127
2005	50.5654633995229
2006	51.7692240384345
2007	56.1579678671896
2008	60.2332189949991
2009	61.2964111295475
2010	68.0168264095315
2011	75.8834303238175
2012	80.5582040668546
2013	93.9653192172911
2014	93.2812036726704
2015	99.999993731214
2016	100.222519451197
2017	100.070491031585
2018	98.7477569611442
2019	103.560817944055
2020	83.7270656622502
2021	133.14865329898
2022	148.268209502795
2023	121.178461042182