condition mean min max ZT0-3 202.45000000000002 202.45000000000002 202.45000000000002 ZT4-7 162.9 162.9 162.9 ZT8-11 195.3 195.3 195.3 ZT12-15 224.3 224.3 224.3 ZT16-19 278.5 278.5 278.5 ZT20-23 352.70000000000005 352.70000000000005 352.70000000000005