condition mean min max ZT0-3 0.015008500000000001 0.015008500000000001 0.015008500000000001 ZT4-7 0.07435995000000001 0.07435995000000001 0.07435995000000001 ZT8-11 0.03251205 0.03251205 0.03251205 ZT12-15 0.0 0.0 0.0 ZT16-19 0.1040513 0.1040513 0.1040513 ZT20-23 0.0 0.0 0.0