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Cash and cash equivalents
12 Months Ended
Dec. 31, 2022
Cash and cash equivalents [abstract]  
Cash and cash equivalents Cash and cash equivalents
20222021
Cash at bank and on hand21,372 13,383 
Short-term deposits (a)3,379 — 
Shares of mutual funds (a)1,768 1,881 
Cash and cash equivalents26,519 15,264 

(a)Short-term deposits and shares of mutual funds are cash equivalents held for the purposes of meeting short-term cash commitments with maturities of three months or less from the date of acquisition and subject to insignificant risk of changes in value.