condition mean min max ZT0-3 0.0053862 0.0 0.0161586 ZT4-7 0.0 0.0 0.0 ZT8-11 0.031206949999999997 0.031206949999999997 0.031206949999999997 ZT12-15 0.100463125 0.086397 0.11452925 ZT16-19 0.0150995 0.0150995 0.0150995 ZT20-23 0.0 0.0 0.0