Year	base year varies by country
1997	84.3811394891945
1998	85.9232175502742
1999	87.2590108968986
2000	89.4995898277276
2001	91.9191919191919
2002	94.1130906274206
2003	96.420581655481
2004	98.3594864479315
2005	100
2006	102.012072434608
2007	100
2008	102.831969792322
2009	103.859649122807
2010	105.345211581292
2011	105.506072874494
2012	108.797909407666
2013	110.974539069359
2014	111.405835543767
2015	110.578424124379
2016	112.03441613796
2017	113.987574672475
2018	116.340615734957
2019	117.404085488819
2020	117.808632686388
2021	125.989691762633