use 0 instead of - in reports

app/Exports/Tollhouse/CompareProgramAndFunction.php

@@ -149,7 +149,7 @@ class CompareProgramAndFunction implements FromView, ShouldAutoSize, WithEvents,
                 $query .= " GROUP BY province_id
                 ORDER BY province_id ASC;";
                 
-        $data = DB::select(DB::raw($query));
+        $data = DB::select($query);
 
         $sum = [
             'EhdasCount' => 0,

app/Exports/Tollhouse/summaryAccidentPerformanceCity.php

@@ -48,7 +48,7 @@ class summaryAccidentPerformanceCity implements FromView, ShouldAutoSize, WithEv
             $array[$value->city_id] = [
                 'province_fa' => $value->province_fa,
                 'city_fa' => $value->city_fa,
-                'avg' => '-',
+                'avg' => 0,
                 'count' => '-'
             ];
         }