condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1434385 0.1434385 0.1434385 ZT12-15 0.07927175 0.0 0.1585435 ZT16-19 0.1334935 0.1334935 0.1334935 ZT20-23 0.0 0.0 0.0