condition mean min max ZT0-3 10548.35 10548.35 10548.35 ZT4-7 8397.5 8397.5 8397.5 ZT8-11 9934.15 9934.15 9934.15 ZT12-15 11090.4 11090.4 11090.4 ZT16-19 12315.45 12315.45 12315.45 ZT20-23 11426.05 11426.05 11426.05