condition mean min max ZT0-3 0.014961666666666667 0.0 0.044885 ZT4-7 0.0 0.0 0.0 ZT8-11 0.04128795 0.04128795 0.04128795 ZT12-15 0.0451938 0.0447518 0.0456358 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0