condition mean min max ZT0-3 0.17865183333333332 0.0 0.26824 ZT4-7 0.8088360000000001 0.8088360000000001 0.8088360000000001 ZT8-11 0.7614810000000001 0.7614810000000001 0.7614810000000001 ZT12-15 0.3028645 0.2996905 0.3060385 ZT16-19 0.2578635 0.2578635 0.2578635 ZT20-23 0.0 0.0 0.0