condition mean min max ZT0-3 0.07296717710008334 0.0 0.21890153130025 ZT4-7 0.4093825 0.4093825 0.4093825 ZT8-11 0.0 0.0 0.0 ZT12-15 0.205963 0.0 0.411926 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0