condition mean min max ZT0-3 0.10693916666666665 0.0 0.3208175 ZT4-7 0.0 0.0 0.0 ZT8-11 0.590215 0.590215 0.590215 ZT12-15 0.0 0.0 0.0 ZT16-19 0.54929 0.54929 0.54929 ZT20-23 0.0 0.0 0.0