Year	base year varies by country
2009	97.44922001638304
2010	80.05250271657178
2011	98.29227877341175
2012	99.5136012406427
2013	77.50264014953976
2014	101.32585171354269
2015	102.44606993381274
2016	102.26431831011458
2017	103.26413179904073
2018	103.94243621124821
2019	103.89555636762691
2020	106.65988748401298
2021	105.41260081579247
2022	114.35751885266225
2023	130.46574690385933
