condition mean min max ZT0-3 331.35 331.35 331.35 ZT4-7 415.3 415.3 415.3 ZT8-11 414.25 414.25 414.25 ZT12-15 464.0 464.0 464.0 ZT16-19 522.2 522.2 522.2 ZT20-23 446.79999999999995 446.79999999999995 446.79999999999995