condition mean min max ZT0-3 803.45 803.45 803.45 ZT4-7 1062.5 1062.5 1062.5 ZT8-11 1107.0500000000002 1107.0500000000002 1107.0500000000002 ZT12-15 939.6 939.6 939.6 ZT16-19 688.1 688.1 688.1 ZT20-23 704.4 704.4 704.4