condition mean min max ZT0-3 78.18877499999999 73.0596 83.31795 ZT4-7 64.34335 64.34335 64.34335 ZT8-11 47.82555 47.82555 47.82555 ZT12-15 0 0 0 ZT16-19 79.80195 79.80195 79.80195 ZT20-23 89.11255 89.11255 89.11255