condition mean min max ZT0-3 95.5 95.5 95.5 ZT4-7 103.9 103.9 103.9 ZT8-11 88.55 88.55 88.55 ZT12-15 96.65 96.65 96.65 ZT16-19 80.94999999999999 80.94999999999999 80.94999999999999 ZT20-23 86.15 86.15 86.15