condition mean min max ZT0-3 0.36336805 0.03693 0.8575785 ZT4-7 0.9826535000000001 0.9826535000000001 0.9826535000000001 ZT8-11 0.80255 0.80255 0.80255 ZT12-15 0.38079699999999994 0.3285685 0.43302549999999995 ZT16-19 0.2511465 0.2511465 0.2511465 ZT20-23 0.0649725 0.0649725 0.0649725