condition mean min max ZT0-3 0.02150925 0.02150925 0.02150925 ZT4-7 0.0297041 0.0297041 0.0297041 ZT8-11 0.02425415 0.02425415 0.02425415 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0784215 0.0784215 0.0784215 ZT20-23 0.0 0.0 0.0