For the Years Ended December 31, | ||||||||||||
in CHF thousands | 2017 | 2016 | 2015 | |||||||||
Unrecognized deductible temporary differences, unused tax losses and unused tax credits | ||||||||||||
Deductible temporary differences, unused tax losses and unused tax credits for which no deferred tax assets have been recognized are attributable to the following: | ||||||||||||
- Tax losses | 62,575 | 36,707 | 29,079 | |||||||||
- Deductible temporary differences related to the retirement benefit plan | 4,926 | 3,798 | 2,787 | |||||||||
Total | 67,501 | 40,505 | 31,866 | |||||||||