condition mean min max ZT0-3 0.114077775 0.07700335 0.15115220000000001 ZT4-7 0.11504890000000001 0.11504890000000001 0.11504890000000001 ZT8-11 0.03805755 0.03805755 0.03805755 ZT12-15 0 0 0 ZT16-19 0.15156735 0.15156735 0.15156735 ZT20-23 0.0 0.0 0.0