condition mean min max ZT0-3 0.017945833333333334 0.0 0.0538375 ZT4-7 0.0 0.0 0.0 ZT8-11 0.02466745 0.02466745 0.02466745 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0