condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.12466500000000001 0.12466500000000001 0.12466500000000001 ZT8-11 0.0 0.0 0.0 ZT12-15 0.11223133333333334 0.11223133333333334 0.11223133333333334 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0