condition mean min max ZT0-3 6711.25 6711.25 6711.25 ZT4-7 12489.3 12489.3 12489.3 ZT8-11 14531.6 14531.6 14531.6 ZT12-15 12433.85 12433.85 12433.85 ZT16-19 10015.6 10015.6 10015.6 ZT20-23 8439.2 8439.2 8439.2