condition mean min max ZT0-3 0.009490750000000001 0.0 0.02847225 ZT4-7 0.0 0.0 0.0 ZT8-11 0.02754635 0.02754635 0.02754635 ZT12-15 0.028953825 0.0274605 0.03044715 ZT16-19 0.0266061 0.0266061 0.0266061 ZT20-23 0.03000125 0.03000125 0.03000125