condition mean min max ZT0-3 0.052657499999999996 0.052333 0.052982 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.037684 0.037684 0.037684 ZT20-23 0.0 0.0 0.0