condition mean min max ZT0-3 178.418 178.418 178.418 ZT4-7 152.1295 152.1295 152.1295 ZT8-11 111.3175 111.3175 111.3175 ZT12-15 116.223 116.223 116.223 ZT16-19 154.457 154.457 154.457 ZT20-23 184.1465 184.1465 184.1465