condition mean min max ZT0-3 0.14041599999999999 0.14041599999999999 0.14041599999999999 ZT4-7 0.10005415000000001 0.10005415000000001 0.10005415000000001 ZT8-11 0.04349475 0.04349475 0.04349475 ZT12-15 0.09227479999999999 0.09227479999999999 0.09227479999999999 ZT16-19 0.052502599999999996 0.052502599999999996 0.052502599999999996 ZT20-23 0.07771934999999999 0.07771934999999999 0.07771934999999999