condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.13573469999999999 0.13573469999999999 0.13573469999999999 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0450026 0.0450026 0.0450026 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0