condition mean min max ZT0-3 0.46868575 0.385017 0.5523545 ZT4-7 0.5079710000000001 0.5079710000000001 0.5079710000000001 ZT8-11 1.36053 1.36053 1.36053 ZT12-15 0 0 0 ZT16-19 1.675935 1.675935 1.675935 ZT20-23 0.9099675 0.9099675 0.9099675