condition mean min max ZT0-3 0.03517888975 0.0 0.0703577795 ZT4-7 0.08511879825 0.0540076965 0.1162299 ZT8-11 0.09926540650000001 0.0323572015 0.1661736115 ZT12-15 0.63383761925 0.4635672375 0.804108001 ZT16-19 0.610735049 0.5064056545 0.7150644435 ZT20-23 0.9661075852500001 0.8978205295 1.034394641