condition mean min max ZT0-3 0.11223100000000001 0.11223100000000001 0.11223100000000001 ZT4-7 0.109339 0.109339 0.109339 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0