condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.1619415 0.1619415 0.1619415 ZT8-11 0.0 0.0 0.0 ZT12-15 0.1495385 0.1495385 0.1495385 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0