condition mean min max ZT0-3 106.795 106.795 106.795 ZT4-7 87.49770000000001 87.49770000000001 87.49770000000001 ZT8-11 63.4316 63.4316 63.4316 ZT12-15 68.01235 68.01235 68.01235 ZT16-19 88.9247 88.9247 88.9247 ZT20-23 101.71199999999999 101.71199999999999 101.71199999999999