condition mean min max ZT0-3 0.54234395 0.3985515 0.6861364 ZT4-7 0.655621 0.655621 0.655621 ZT8-11 0.6560900000000001 0.6560900000000001 0.6560900000000001 ZT12-15 0 0 0 ZT16-19 0.534597 0.534597 0.534597 ZT20-23 0.6444945 0.6444945 0.6444945