condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.058090166666666665 0.058090166666666665 0.058090166666666665 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01919215 0.01919215 0.01919215 ZT16-19 0.026497000000000003 0.026497000000000003 0.026497000000000003 ZT20-23 0.0 0.0 0.0