condition mean min max ZT0-3 728.146 728.146 728.146 ZT4-7 499.92150000000004 499.92150000000004 499.92150000000004 ZT8-11 363.297 363.297 363.297 ZT12-15 567.9425000000001 567.9425000000001 567.9425000000001 ZT16-19 882.969 882.969 882.969 ZT20-23 817.6890000000001 817.6890000000001 817.6890000000001