condition mean min max ZT0-3 3221.45 3221.45 3221.45 ZT4-7 3109.4 3109.4 3109.4 ZT8-11 2450.55 2450.55 2450.55 ZT12-15 1647.1 1647.1 1647.1 ZT16-19 1464.9 1464.9 1464.9 ZT20-23 2464.25 2464.25 2464.25