condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0026292999999999998 0.0026292999999999998 0.0026292999999999998 ZT8-11 0.003355275 0.003355275 0.003355275 ZT12-15 0.005210800000000001 0.005210800000000001 0.005210800000000001 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0