condition mean min max ZT0-3 0.051759792500000006 0.0 0.10351958500000001 ZT4-7 0.19078438433333333 0.0 0.38156876866666667 ZT8-11 0.0388227345 0.0 0.077645469 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0