condition mean min max ZT0-3 110.129 110.129 110.129 ZT4-7 96.07585 96.07585 96.07585 ZT8-11 86.10929999999999 86.10929999999999 86.10929999999999 ZT12-15 90.4383 90.4383 90.4383 ZT16-19 84.1238 84.1238 84.1238 ZT20-23 116.60849999999999 116.60849999999999 116.60849999999999