Year	base year varies by country
1984	24.42836261114264
1985	25.728468429350137
1986	26.28717155318722
1987	27.698996632610406
1988	28.92805266532709
1989	31.09154490657391
1990	33.90513065854982
1991	36.24134755770921
1992	37.597663863255235
1993	38.408407427909474
1994	39.38451393293487
1995	40.53455436868189
1996	41.576177602845846
1997	42.675546786335914
1998	43.694261066859525
1999	44.69659360612594
2000	46.17367139758862
2001	47.99374245411027
2002	49.185468031435924
2003	50.74308481898993
2004	53.5080080309295
2005	55.05797391858661
2006	57.01873242179304
2007	63.646074475325356
2008	87.66158646802519
2009	93.76799002238616
2010	98.65029032730811
2011	103.43952469790038
2012	99.62913925292823
2013	101.15910626007143
2014	100.63099867407527
2015	100
2016	102.2367860662342
2017	106.32625454155927
2018	107.70848222632704
2019	109.64723859523772
2020	109.42158191793784
2021	116.55030704815368