condition mean min max ZT0-3 0.5388155 0.5388155 0.5388155 ZT4-7 0.07071775 0.07071775 0.07071775 ZT8-11 0.17306850000000001 0.17306850000000001 0.17306850000000001 ZT12-15 0.2336765 0.2336765 0.2336765 ZT16-19 0.774158 0.774158 0.774158 ZT20-23 0.398104 0.398104 0.398104