condition mean min max ZT0-3 3342.15 3342.15 3342.15 ZT4-7 3736.8 3736.8 3736.8 ZT8-11 4341.25 4341.25 4341.25 ZT12-15 4779.7 4779.7 4779.7 ZT16-19 3885.1 3885.1 3885.1 ZT20-23 3760.4 3760.4 3760.4