condition mean min max ZT0-3 0.05957897175 0.052707664 0.0664502795 ZT4-7 0.112500765 0.0461813525 0.1788201775 ZT8-11 1.40063509925 0.42635715900000004 2.3749130395 ZT12-15 4.2789933837500005 3.4890094515000003 5.068977316 ZT16-19 2.2398159535 1.7487402445 2.7308916625000004 ZT20-23 0.8646082825 0.7499367735 0.9792797915