condition mean min max ZT0-3 1759.81 1759.81 1759.81 ZT4-7 1679.895 1679.895 1679.895 ZT8-11 1095.755 1095.755 1095.755 ZT12-15 889.529 889.529 889.529 ZT16-19 1049.9569999999999 1049.9569999999999 1049.9569999999999 ZT20-23 1532.435 1532.435 1532.435