condition mean min max ZT0-3 1110.1 1110.1 1110.1 ZT4-7 1285.4 1285.4 1285.4 ZT8-11 1229.8 1229.8 1229.8 ZT12-15 1199.35 1199.35 1199.35 ZT16-19 961.75 961.75 961.75 ZT20-23 934.05 934.05 934.05