condition mean min max ZT0-3 9083.35 9083.35 9083.35 ZT4-7 12810.8 12810.8 12810.8 ZT8-11 10991.55 10991.55 10991.55 ZT12-15 10880.5 10880.5 10880.5 ZT16-19 10484.2 10484.2 10484.2 ZT20-23 9537.35 9537.35 9537.35