condition mean min max ZT0-3 0.7418045 0.7418045 0.7418045 ZT4-7 0.281288 0.281288 0.281288 ZT8-11 0.8702035 0.8702035 0.8702035 ZT12-15 0.625049 0.625049 0.625049 ZT16-19 0.5225105 0.5225105 0.5225105 ZT20-23 0.47962799999999994 0.47962799999999994 0.47962799999999994