condition mean min max ZT0-3 0.46685475 0.3997035 0.534006 ZT4-7 0.7428395 0.7428395 0.7428395 ZT8-11 0.8719505000000001 0.8719505000000001 0.8719505000000001 ZT12-15 0 0 0 ZT16-19 0.8001015 0.8001015 0.8001015 ZT20-23 0.8074140000000001 0.8074140000000001 0.8074140000000001