condition mean min max ZT0-3 0.17237275 0.0 0.3447455 ZT4-7 0.359575 0.359575 0.359575 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.1732945 0.1732945 0.1732945 ZT20-23 0.0 0.0 0.0