condition mean min max ZT0-3 0.01476015 0.0 0.0295203 ZT4-7 0.06158 0.06158 0.06158 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.08978520000000001 0.08978520000000001 0.08978520000000001