condition mean min max ZT0-3 0.116821625 0.07856725 0.155076 ZT4-7 0.11868000000000001 0.11868000000000001 0.11868000000000001 ZT8-11 0.0787832 0.0787832 0.0787832 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0