condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01550955 0.01550955 0.01550955 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0070775 0.0070775 0.0070775 ZT20-23 0.01057772 0.01057772 0.01057772