condition mean min max ZT0-3 0.03406132725 0.0 0.0681226545 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.008476784250000001 0.0 0.016953568500000002 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0