condition mean min max ZT0-3 4577.35 4577.35 4577.35 ZT4-7 6673.4 6673.4 6673.4 ZT8-11 6659.2 6659.2 6659.2 ZT12-15 4797.65 4797.65 4797.65 ZT16-19 3916.25 3916.25 3916.25 ZT20-23 3655.65 3655.65 3655.65