condition mean min max ZT0-3 4707.5 4707.5 4707.5 ZT4-7 5718.6 5718.6 5718.6 ZT8-11 5533.7 5533.7 5533.7 ZT12-15 4449.7 4449.7 4449.7 ZT16-19 4828.45 4828.45 4828.45 ZT20-23 4729.75 4729.75 4729.75