condition mean min max ZT0-3 0.026042383333333332 0.0 0.0519375 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.026138475 0.0 0.05227695 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0