condition mean min max ZT0-3 0.49305126424999995 0.0 0.9861025284999999 ZT4-7 0.0 0.0 0.0 ZT8-11 0.20159637416666668 0.062116375 0.34107637333333335 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0