condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.33221614400000005 0.0 0.6644322880000001 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0