condition mean min max ZT0-3 0.00138965 0.00138965 0.00138965 ZT4-7 0.0158202 0.0158202 0.0158202 ZT8-11 0.01321055 0.01321055 0.01321055 ZT12-15 0.00605695 0.00605695 0.00605695 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0