condition mean min max ZT0-3 0.013366099999999999 0.013366099999999999 0.013366099999999999 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.004226241666666667 0.004226241666666667 0.004226241666666667 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0039683999999999995 0.0039683999999999995 0.0039683999999999995