condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.08108055724999999 0.0 0.16216111449999998 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.06755345275 0.0 0.1351069055 ZT20-23 0.131006628 0.0 0.262013256