condition mean min max ZT0-3 5452.0 5452.0 5452.0 ZT4-7 15145.1 15145.1 15145.1 ZT8-11 14104.8 14104.8 14104.8 ZT12-15 14245.55 14245.55 14245.55 ZT16-19 14380.0 14380.0 14380.0 ZT20-23 10566.8 10566.8 10566.8