23 Due to customers audited information (XLS:) Download in CHF thousands 31.12.2017 31.12.2016 +/– % On demand 10'623'400 10'246'998 3.7 At maturity or callable 1'339'516 1'286'388 4.1 Savings accounts 3'689'242 4'327'079 −14.7 Total due to customers 15'652'158 15'860'465 −1.3