condition mean min max ZT0-3 2343.7 2343.7 2343.7 ZT4-7 10321.5 10321.5 10321.5 ZT8-11 10716.4 10716.4 10716.4 ZT12-15 10325.75 10325.75 10325.75 ZT16-19 6005.349999999999 6005.349999999999 6005.349999999999 ZT20-23 2267.25 2267.25 2267.25