condition mean min max ZT0-3 0.19791183333333334 0.165656 0.24895050000000002 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1641485 0.1641485 0.1641485 ZT12-15 0.6815197500000001 0.5071115 0.855928 ZT16-19 0.6249975 0.6249975 0.6249975 ZT20-23 0.6121135 0.6121135 0.6121135