condition mean min max ZT0-3 93.992025 90.26804999999999 97.71600000000001 ZT4-7 7.3140149999999995 7.3140149999999995 7.3140149999999995 ZT8-11 4.01285 4.01285 4.01285 ZT12-15 0 0 0 ZT16-19 57.9073 57.9073 57.9073 ZT20-23 35.60015 35.60015 35.60015