condition mean min max ZT0-3 10.489090000000001 10.4512 10.52698 ZT4-7 9.80371 9.80371 9.80371 ZT8-11 6.21566 6.21566 6.21566 ZT12-15 0 0 0 ZT16-19 6.665825 6.665825 6.665825 ZT20-23 10.7395 10.7395 10.7395