condition mean min max ZT0-3 118.1 118.1 118.1 ZT4-7 112.3 112.3 112.3 ZT8-11 109.30000000000001 109.30000000000001 109.30000000000001 ZT12-15 123.05 123.05 123.05 ZT16-19 140.15 140.15 140.15 ZT20-23 123.30000000000001 123.30000000000001 123.30000000000001