condition mean min max ZT0-3 0.0126733 0.0126733 0.0126733 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0120319 0.0120319 0.0120319 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0128439 0.0128439 0.0128439 ZT20-23 0.01287285 0.01287285 0.01287285