condition mean min max ZT0-3 0.53398625 0.5252295 0.542743 ZT4-7 0.6285395 0.6285395 0.6285395 ZT8-11 1.498125 1.498125 1.498125 ZT12-15 0 0 0 ZT16-19 2.477875 2.477875 2.477875 ZT20-23 1.19284 1.19284 1.19284