condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.15191793225 0.0971324745 0.20670339 ZT16-19 0.0 0.0 0.0 ZT20-23 0.063952371 0.047133738499999994 0.0807710035