condition mean min max ZT0-3 0.030435000000000004 0.030435000000000004 0.030435000000000004 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1608465 0.1608465 0.1608465 ZT12-15 0.1428945 0.1428945 0.1428945 ZT16-19 0.16158499999999998 0.16158499999999998 0.16158499999999998 ZT20-23 0.01420395 0.01420395 0.01420395