condition mean min max ZT0-3 0.042130749999999995 0.041601 0.0426605 ZT4-7 0.296711 0.296711 0.296711 ZT8-11 0.3382645 0.3382645 0.3382645 ZT12-15 0 0 0 ZT16-19 0.2514365 0.2514365 0.2514365 ZT20-23 0.04194045 0.04194045 0.04194045