condition mean min max ZT0-3 0.029281275000000002 0.0 0.058562550000000005 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0146953 0.0146953 0.0146953 ZT20-23 0.0146784 0.0146784 0.0146784