condition mean min max ZT0-3 0.07372346475 0.0166163985 0.130830531 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1315112825 0.073721229 0.18930133600000001 ZT12-15 0.4477631135 0.44295615699999996 0.45257006999999994 ZT16-19 0.255074999 0.237687689 0.272462309 ZT20-23 0.17360259275 0.164373378 0.1828318075