condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.01022268325 0.0 0.0204453665 ZT8-11 0.006550491750000001 0.0 0.013100983500000002 ZT12-15 0.013652342250000001 0.010960124 0.0163445605 ZT16-19 0.01543115125 0.0 0.0308623025 ZT20-23 0.0 0.0 0.0