condition mean min max ZT0-3 1.15899575 1.15796 1.1600315 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.8612949999999999 0.8612949999999999 0.8612949999999999