condition mean min max ZT0-3 124.076 124.076 124.076 ZT4-7 108.048 108.048 108.048 ZT8-11 92.42245 92.42245 92.42245 ZT12-15 85.87515 85.87515 85.87515 ZT16-19 93.7293 93.7293 93.7293 ZT20-23 89.02385 89.02385 89.02385