condition mean min max ZT0-3 9547.95 9547.95 9547.95 ZT4-7 12806.9 12806.9 12806.9 ZT8-11 13210.25 13210.25 13210.25 ZT12-15 12671.1 12671.1 12671.1 ZT16-19 10551.7 10551.7 10551.7 ZT20-23 9972.849999999999 9972.849999999999 9972.849999999999