condition mean min max ZT0-3 952.35 952.35 952.35 ZT4-7 876.8 876.8 876.8 ZT8-11 1091.6 1091.6 1091.6 ZT12-15 1261.35 1261.35 1261.35 ZT16-19 1145.5 1145.5 1145.5 ZT20-23 845.1 845.1 845.1