condition mean min max ZT0-3 0.2508505 0.2384835 0.2632175 ZT4-7 0.34576300000000004 0.34576300000000004 0.34576300000000004 ZT8-11 0.26309150000000003 0.26309150000000003 0.26309150000000003 ZT12-15 0 0 0 ZT16-19 0.7956354999999999 0.7956354999999999 0.7956354999999999 ZT20-23 0.7204855 0.7204855 0.7204855