condition mean min max ZT0-3 127.95 127.95 127.95 ZT4-7 121.4 121.4 121.4 ZT8-11 125.35 125.35 125.35 ZT12-15 135.2 135.2 135.2 ZT16-19 125.9 125.9 125.9 ZT20-23 189.45 189.45 189.45