Add number of further districts

wsgi.py

@@ -291,6 +291,7 @@ def _print_as_html(
     dropna: bool = True,
 ) -> list[str]:
     df = df.astype({"Digitale Befragung": "Int32"})
+    num_missing = (df[df.isna().any(axis=1)]["Landesbezirk"] != "Hessen").sum()
     if dropna:
         df = df.dropna()
     with pd.option_context("display.max_rows", None):
@@ -315,11 +316,11 @@ def _print_as_html(
             ]
         )
         if total and (diff := total - df["Digitale Befragung"].sum()):
-            tfoot.extend(
-                [
-                    "    <tr>",
-                    "      <td>Weitere Bezirke</td>",
-                ]
+            tfoot.append("    <tr>")
+            tfoot.append(
+                f"      <td>Weitere Bezirke ({num_missing})</td>"
+                if num_missing
+                else f"      <td>Weitere Bezirke</td>"
             )
             for i in range(len(df.columns) - 2):
                 tfoot.append("      <td></td>")