condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.7679800000000001 0.5768615 0.9590985000000001 ZT16-19 0.0 0.0 0.0 ZT20-23 0.77579 0.77579 0.77579