condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.01826165 0.01826165 0.01826165 ZT8-11 0.01997035 0.01997035 0.01997035 ZT12-15 0.04831245 0.04831245 0.04831245 ZT16-19 0.1603245 0.1603245 0.1603245 ZT20-23 0.03988335 0.03988335 0.03988335