condition mean min max ZT0-3 0.06055683333333334 0.0 0.1816705 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.09109375 0.0 0.1821875 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0