23 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		31.12.2015	31.12.2016	2015	2016
EUR	1	1.09	1.07	1.07	1.09
GBP	1	1.48	1.26	1.47	1.33
SEK	100	11.90	11.19	11.42	11.52
USD	1	1.00	1.02	0.96	0.99
SGD	1	0.71	0.70	0.70	0.71
CNY	1	0.15	0.15	0.15	0.15
JPY	100	0.83	0.88	0.80	0.91
AUD	1	0.73	0.73	0.72	0.73