condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.06260185975 0.0 0.1252037195 ZT12-15 0.07340124475 0.0 0.1468024895 ZT16-19 0.2104202415 0.125895071 0.294945412 ZT20-23 0.0 0.0 0.0