condition mean min max ZT0-3 12.2000157525 7.90816392 16.491867585 ZT4-7 27.3325363825 25.180807955 29.48426481 ZT8-11 25.5177273975 24.521407789999998 26.514047005000002 ZT12-15 105.0521591925 100.154653635 109.94966475000001 ZT16-19 123.24095695 110.2080527 136.2738612 ZT20-23 93.866618905 88.40187293 99.33136488