condition mean min max ZT0-3 4736.95 4736.95 4736.95 ZT4-7 3286.0 3286.0 3286.0 ZT8-11 3268.6 3268.6 3268.6 ZT12-15 2939.95 2939.95 2939.95 ZT16-19 3778.45 3778.45 3778.45 ZT20-23 4733.85 4733.85 4733.85