condition mean min max ZT0-3 9203.55 9203.55 9203.55 ZT4-7 9757.1 9757.1 9757.1 ZT8-11 11213.0 11213.0 11213.0 ZT12-15 9182.25 9182.25 9182.25 ZT16-19 8747.85 8747.85 8747.85 ZT20-23 9791.85 9791.85 9791.85