condition mean min max ZT0-3 150.75 150.75 150.75 ZT4-7 95.1 95.1 95.1 ZT8-11 155.4 155.4 155.4 ZT12-15 165.4 165.4 165.4 ZT16-19 113.94999999999999 113.94999999999999 113.94999999999999 ZT20-23 165.55 165.55 165.55