condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.01680477475 0.0 0.0336095495 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01824540925 0.0 0.0364908185 ZT16-19 0.01886442475 0.0 0.0377288495 ZT20-23 0.0 0.0 0.0