condition mean min max ZT0-3 0.047045833333333335 0.0 0.1411375 ZT4-7 0.0 0.0 0.0 ZT8-11 0.091032 0.091032 0.091032 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0