Year	base year varies by country
2002	70.6206896551724
2003	71.5846994535519
2004	69.2517006802721
2005	68.3060109289617
2006	70.2279202279202
2007	72.4475524475524
2008	80.4597701149425
2009	101.19940029985
2010	85.6502242152466
2011	85.2017937219731
2012	100
2013	102.24358974359
2014	101.259842519685
2015	102.748091603053
2016	104.192546583851
2017	102.170283806344
2018	103.90243902439
2019	105.718954248366
2020	112.83255086072
2021	118.296529968454
2022	135.038759689922