condition mean min max ZT0-3 115.0 115.0 115.0 ZT4-7 181.0 181.0 181.0 ZT8-11 139.7 139.7 139.7 ZT12-15 105.65 105.65 105.65 ZT16-19 71.85 71.85 71.85 ZT20-23 94.80000000000001 94.80000000000001 94.80000000000001