condition mean min max ZT0-3 100.39105 82.2916 118.4905 ZT4-7 73.4342 73.4342 73.4342 ZT8-11 56.85225 56.85225 56.85225 ZT12-15 0 0 0 ZT16-19 17.8296 17.8296 17.8296 ZT20-23 16.1498 16.1498 16.1498