condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0086318 0.0086318 0.0086318 ZT8-11 0.0 0.0 0.0 ZT12-15 0.023025050000000002 0.023025050000000002 0.023025050000000002 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0