condition mean min max ZT0-3 0.03228475 0.0 0.0645695 ZT4-7 0.13251400000000002 0.13251400000000002 0.13251400000000002 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.1950015 0.1950015 0.1950015 ZT20-23 0.0 0.0 0.0