condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0782188905 0.0 0.156437781 ZT8-11 0.058063014749999996 0.0 0.11612602949999999 ZT12-15 0.028889752999999997 0.0 0.057779505999999994 ZT16-19 0.0 0.0 0.0 ZT20-23 0.15318696775 0.0 0.3063739355