condition mean min max ZT0-3 198.95 198.95 198.95 ZT4-7 127.1 127.1 127.1 ZT8-11 198.95 198.95 198.95 ZT12-15 293.7 293.7 293.7 ZT16-19 356.45 356.45 356.45 ZT20-23 237.3 237.3 237.3