condition mean min max ZT0-3 3879.85 3879.85 3879.85 ZT4-7 9057.3 9057.3 9057.3 ZT8-11 11085.150000000001 11085.150000000001 11085.150000000001 ZT12-15 15719.4 15719.4 15719.4 ZT16-19 12437.3 12437.3 12437.3 ZT20-23 7903.05 7903.05 7903.05