condition mean min max ZT0-3 0.41552374999999997 0.322561 0.5084865 ZT4-7 0.45674250000000005 0.45674250000000005 0.45674250000000005 ZT8-11 0.8201305 0.8201305 0.8201305 ZT12-15 0 0 0 ZT16-19 0.8210835 0.8210835 0.8210835 ZT20-23 0.5737125 0.5737125 0.5737125