condition mean min max ZT0-3 0.011978625 0.0 0.02395725 ZT4-7 0.1925715 0.1925715 0.1925715 ZT8-11 0.11898310000000001 0.11898310000000001 0.11898310000000001 ZT12-15 0 0 0 ZT16-19 0.1181312 0.1181312 0.1181312 ZT20-23 0.0 0.0 0.0