condition mean min max ZT0-3 0.038209099999999996 0.0 0.07757955 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0381153 0.0381153 0.0381153 ZT12-15 0.039804950000000006 0.0 0.07960990000000001 ZT16-19 0.0356077 0.0356077 0.0356077 ZT20-23 0.0833405 0.0833405 0.0833405