condition mean min max ZT0-3 0.005 0.005 0.005 ZT4-7 0.01031001 0.01031001 0.01031001 ZT8-11 0.00826445 0.00826445 0.00826445 ZT12-15 0.0188857 0.0188857 0.0188857 ZT16-19 0.011342 0.011342 0.011342 ZT20-23 0.0451704 0.0451704 0.0451704