condition mean min max ZT0-3 0.16592525 0.1115915 0.22025899999999998 ZT4-7 0.113602 0.113602 0.113602 ZT8-11 0.6162365000000001 0.6162365000000001 0.6162365000000001 ZT12-15 0 0 0 ZT16-19 0.1644655 0.1644655 0.1644655 ZT20-23 0.441999 0.441999 0.441999