condition mean min max ZT0-3 413.988 413.988 413.988 ZT4-7 354.414 354.414 354.414 ZT8-11 290.475 290.475 290.475 ZT12-15 300.1825 300.1825 300.1825 ZT16-19 387.198 387.198 387.198 ZT20-23 421.49249999999995 421.49249999999995 421.49249999999995