condition mean min max ZT0-3 1037.1 1037.1 1037.1 ZT4-7 778.3 778.3 778.3 ZT8-11 1076.1 1076.1 1076.1 ZT12-15 1021.25 1021.25 1021.25 ZT16-19 1147.9 1147.9 1147.9 ZT20-23 1146.85 1146.85 1146.85