condition mean min max ZT0-3 0.24276580200000003 0.11041189300000001 0.375119711 ZT4-7 0.66976611525 0.385106654 0.9544255764999999 ZT8-11 1.018808141 0.912265828 1.125350454 ZT12-15 0.44362434725 0.37242530749999997 0.514823387 ZT16-19 0.20006437375 0.136552811 0.2635759365 ZT20-23 0.12924104775 0.12494177449999999 0.13354032100000002