condition mean min max ZT0-3 0.0071221 0.0071221 0.0071221 ZT4-7 0.0 0.0 0.0 ZT8-11 0.00676165 0.00676165 0.00676165 ZT12-15 0.0082581 0.0082581 0.0082581 ZT16-19 0.0505255 0.0505255 0.0505255 ZT20-23 0.0180219 0.0180219 0.0180219