condition mean min max ZT0-3 0.02450335 0.0 0.0490067 ZT4-7 0.0 0.0 0.0 ZT8-11 0.24555549999999998 0.24555549999999998 0.24555549999999998 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0