condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01428575 0.01428575 0.01428575 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0152499 0.0152499 0.0152499 ZT20-23 0.0 0.0 0.0