condition mean min max ZT0-3 0.027876197916666665 0.027876197916666665 0.027876197916666665 ZT4-7 0.10883525 0.10883525 0.10883525 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0