condition mean min max ZT0-3 0.0045601395 0.0 0.009120279 ZT4-7 0.08630178324999999 0.0433212105 0.129282356 ZT8-11 0.0866954135 0.010115883 0.163274944 ZT12-15 0.13514548850000002 0.0527138385 0.21757713850000002 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0