37 Contingent liabilities audited information (XLS:) Download in CHF thousands 31.12.2017 31.12.2016 +/– % Collateral guarantees and similar instruments 19'933 20'984 −5.0 Performance guarantees and similar instruments 34'665 41'855 −17.2 Total contingent liabilities 54'598 62'839 −13.1