condition mean min max ZT0-3 9.99558 9.454815 10.536345 ZT4-7 8.859075 8.859075 8.859075 ZT8-11 9.77226 9.77226 9.77226 ZT12-15 0 0 0 ZT16-19 10.67655 10.67655 10.67655 ZT20-23 8.885655 8.885655 8.885655