Actual price
Sources: LiFO (1998), Protagon (2019-2025), recollections (1985)
- Before 2019
- 1985 and 1998 are documented prices; 1986-1997 interpolated with the general CPI; 1999-2018 derived with implied gyro inflation, calibrated to the 1998 and 2019 endpoints.
- From 2019 onwards
- 2019-2025 are documented market prices (Protagon). 2026 is a projection using the actual catering CPI (Eurostat CP11).