condition mean min max ZT0-3 2310.95 2310.95 2310.95 ZT4-7 1372.0 1372.0 1372.0 ZT8-11 1626.6 1626.6 1626.6 ZT12-15 1271.85 1271.85 1271.85 ZT16-19 878.15 878.15 878.15 ZT20-23 1271.15 1271.15 1271.15