condition mean min max ZT0-3 0.008104416666666668 0.0 0.02431325 ZT4-7 0.02406405 0.02406405 0.02406405 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0