condition mean min max ZT0-3 0.07144533333333333 0.0 0.1448715 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.09924725000000001 0.0702715 0.128223 ZT16-19 0.123584 0.123584 0.123584 ZT20-23 0.0 0.0 0.0