condition mean min max ZT0-3 92.64555 92.64555 92.64555 ZT4-7 78.20320000000001 78.20320000000001 78.20320000000001 ZT8-11 78.7637 78.7637 78.7637 ZT12-15 69.0107 69.0107 69.0107 ZT16-19 85.24709999999999 85.24709999999999 85.24709999999999 ZT20-23 92.611 92.611 92.611