condition mean min max ZT0-3 13.048200000000001 12.030000000000001 14.066400000000002 ZT4-7 9.916135 9.916135 9.916135 ZT8-11 8.675360000000001 8.675360000000001 8.675360000000001 ZT12-15 0 0 0 ZT16-19 12.685849999999999 12.685849999999999 12.685849999999999 ZT20-23 11.13525 11.13525 11.13525