30. Foreign exchange rates
The following exchange rates were used for the consolidated financial statements:
  | 
            
  | 
            
  | 
            
  | 
            
  | 
            
  | 
            2022  | 
            
  | 
            2021  | 
        ||||
  | 
            
  | 
            Currency  | 
            
  | 
            
  | 
            
  | 
            Balance sheet  | 
            
  | 
            Income statement  | 
            
  | 
            Balance sheet  | 
            
  | 
            Income statement  | 
        
European Currency Union  | 
            
  | 
            EUR  | 
            
  | 
            1  | 
            
  | 
            0.9833  | 
            
  | 
            1.0091  | 
            
  | 
            1.0343  | 
            
  | 
            1.0833  | 
        
United Kingdom  | 
            
  | 
            GBP  | 
            
  | 
            1  | 
            
  | 
            1.1120  | 
            
  | 
            1.1805  | 
            
  | 
            1.2342  | 
            
  | 
            1.2584  | 
        
USA  | 
            
  | 
            USD  | 
            
  | 
            1  | 
            
  | 
            0.9236  | 
            
  | 
            0.9555  | 
            
  | 
            0.9146  | 
            
  | 
            0.9144  | 
        
Poland  | 
            
  | 
            PLN  | 
            
  | 
            100  | 
            
  | 
            20.9700  | 
            
  | 
            21.6320  | 
            
  | 
            22.4800  | 
            
  | 
            23.7070  | 
        
China  | 
            
  | 
            CNY  | 
            
  | 
            100  | 
            
  | 
            13.2810  | 
            
  | 
            14.1690  | 
            
  | 
            14.3490  | 
            
  | 
            14.1970  | 
        
Denmark  | 
            
  | 
            DKK  | 
            
  | 
            100  | 
            
  | 
            13.2180  | 
            
  | 
            13.5330  | 
            
  | 
            13.9090  | 
            
  | 
            14.5560  | 
        
Australia  | 
            
  | 
            AUD  | 
            
  | 
            1  | 
            
  | 
            0.6256  | 
            
  | 
            0.6626  | 
            
  | 
            0.6639  | 
            
  | 
            0.6885  | 
        
Czech Republic  | 
            
  | 
            CZK  | 
            
  | 
            100  | 
            
  | 
            4.0600  | 
            
  | 
            4.1060  | 
            
  | 
            4.1600  | 
            
  | 
            4.2120  | 
        
Hungary  | 
            
  | 
            HUF  | 
            
  | 
            100  | 
            
  | 
            0.2460  | 
            
  | 
            0.2670  | 
            
  | 
            0.2803  | 
            
  | 
            0.3020  | 
        
Norway  | 
            
  | 
            NOK  | 
            
  | 
            100  | 
            
  | 
            9.3200  | 
            
  | 
            9.9830  | 
            
  | 
            10.3700  | 
            
  | 
            10.6540  | 
        
Sweden  | 
            
  | 
            SEK  | 
            
  | 
            100  | 
            
  | 
            8.8000  | 
            
  | 
            9.4530  | 
            
  | 
            10.1000  | 
            
  | 
            10.6710  | 
        
Singapore  | 
            
  | 
            SGD  | 
            
  | 
            1  | 
            
  | 
            0.6874  | 
            
  | 
            0.6924  | 
            
  | 
            0.6771  | 
            
  | 
            0.6810  | 
        
South Africa  | 
            
  | 
            ZAR  | 
            
  | 
            100  | 
            
  | 
            5.4400  | 
            
  | 
            5.9010  | 
            
  | 
            5.7500  | 
            
  | 
            6.2060  | 
        
Turkey  | 
            
  | 
            TRY  | 
            
  | 
            100  | 
            
  | 
            4.9300  | 
            
  | 
            5.8130  | 
            
  | 
            6.9200  | 
            
  | 
            10.5900  | 
        
Russia  | 
            
  | 
            RUB  | 
            
  | 
            100  | 
            
  | 
            1.2820  | 
            
  | 
            1.0510  | 
            
  | 
            1.2250  | 
            
  | 
            1.2400  | 
        
Ukraine  | 
            
  | 
            UAH  | 
            
  | 
            100  | 
            
  | 
            2.5280  | 
            
  | 
            2.9390  | 
            
  | 
            3.3527  | 
            
  | 
            3.3670  | 
        
India  | 
            
  | 
            INR  | 
            
  | 
            100  | 
            
  | 
            1.1150  | 
            
  | 
            1.2170  | 
            
  | 
            1.2310  | 
            
  | 
            1.2370  | 
        
Nigeria  | 
            
  | 
            NGN  | 
            
  | 
            100  | 
            
  | 
            0.2060  | 
            
  | 
            0.2250  | 
            
  | 
            0.2220  | 
            
  | 
            0.2230  | 
        
Romania  | 
            
  | 
            RON  | 
            
  | 
            100  | 
            
  | 
            19.8400  | 
            
  | 
            20.4310  | 
            
  | 
            20.8900  | 
            
  | 
            21.9600  | 
        
Israel  | 
            
  | 
            ILS  | 
            
  | 
            100  | 
            
  | 
            26.2690  | 
            
  | 
            28.5610  | 
            
  | 
            29.4050  | 
            
  | 
            29.1540  |