3 Own shares included in current assets (excluding trading positions) audited information (XLS:) Download Quantity Book value Quantity / in CHF thousands 31.12.2016 31.12.2015 31.12.2016 31.12.2015 Start of year 1'974'622 1'974'622 70'790 78'935 Bought 0 0 0 0 Sold –15'384 0 –1'339 0 Additions / (Impairments) 0 0 9'535 –8'145 End of year 1'959'238 1'974'622 78'987 70'790