diff --git a/cope2n-api/fwd_api/utils/file.py b/cope2n-api/fwd_api/utils/file.py
index 344f506..37c7cd9 100644
--- a/cope2n-api/fwd_api/utils/file.py
+++ b/cope2n-api/fwd_api/utils/file.py
@@ -525,6 +525,8 @@ def dict2xlsx(input: json, _type='report'):
         for key in mapping.keys():
             value = get_value(subtotal, mapping[key])
             ws[key + str(start_index)] = value
+            if key in ['C', 'D', 'E'] and value == 0:
+                ws[key + str(start_index)] = "-"
             ws[key + str(start_index)].border = border
             ws[key + str(start_index)].font = font_black
             if 'accuracy' in mapping[key] or 'time' in mapping[key] or 'percent' in mapping[key] or 'speed' in mapping[key] or mapping[key] in ["review_process"]:
diff --git a/cope2n-api/report.xlsx b/cope2n-api/report.xlsx
index f96d071..e4cda23 100644
Binary files a/cope2n-api/report.xlsx and b/cope2n-api/report.xlsx differ