condition mean min max ZT0-3 0.9468030000000001 0.9468030000000001 0.9468030000000001 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.133722 0.133722 0.133722 ZT16-19 0.9434834999999999 0.9434834999999999 0.9434834999999999 ZT20-23 0.6391315 0.6391315 0.6391315