condition mean min max ZT0-3 0.01793385 0.01793385 0.01793385 ZT4-7 0.12441245000000001 0.12441245000000001 0.12441245000000001 ZT8-11 0.06763835 0.06763835 0.06763835 ZT12-15 0.0574881 0.0574881 0.0574881 ZT16-19 0.0218993 0.0218993 0.0218993 ZT20-23 0.0647581 0.0647581 0.0647581