27 Foreign exchange rates

The following foreign exchange rates were used for the preparation of the consolidated financial statements:

		Closing exchange rates		Average exchange rates January to December
CHF		31.12.2020	31.12.2021	2020	2021
EUR	1	1.08	1.04	1.07	1.08
GBP	1	1.21	1.23	1.20	1.26
SEK	100	10.78	10.08	10.22	10.66
USD	1	0.89	0.91	0.94	0.91
SGD	1	0.67	0.68	0.68	0.68
CNY	1	0.14	0.14	0.14	0.14
JPY	100	0.86	0.79	0.88	0.83
AUD	1	0.68	0.66	0.65	0.69