condition mean min max ZT0-3 0.010170366666666666 0.010170366666666666 0.010170366666666666 ZT4-7 0.0469024 0.0469024 0.0469024 ZT8-11 0.0111972 0.0111972 0.0111972 ZT12-15 0.0 0.0 0.0 ZT16-19 0.010312400000000001 0.010312400000000001 0.010312400000000001 ZT20-23 0.0 0.0 0.0