condition mean min max ZT0-3 0.01467575 0.01467575 0.01467575 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01420205 0.01420205 0.01420205 ZT12-15 0.0256767 0.0256767 0.0256767 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0