diff --git a/app/Jobs/ArchiveStatsJob.php b/app/Jobs/ArchiveStatsJob.php
index da491c2..33916a0 100644
--- a/app/Jobs/ArchiveStatsJob.php
+++ b/app/Jobs/ArchiveStatsJob.php
@@ -2,6 +2,8 @@
 
 namespace App\Jobs;
 
+use App\Models\ArchiveCampaign;
+use App\Models\ArchiveCoupon;
 use App\Models\ArchiveStat;
 use App\Models\Statistique;
 use Illuminate\Bus\Queueable;
@@ -19,39 +21,41 @@ class ArchiveStatsJob implements ShouldQueue
     use Queueable;
     use SerializesModels;
 
-    /**
-     * Create a new job instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        // Construct method.
-    }
-
     /**
      * Execute the job.
      *
      * @return void
      */
-    public function handle()
+    public function handle(): void
     {
         try {
             DB::transaction(function () {
                 Statistique::query()
                     ->where('date', '<', now())
-                    ->each(function ($stat) {
-                        $archiveStat = new ArchiveStat();
-                        $archiveStat->quantity            = $stat->stat_couponPrinted;
-                        $archiveStat->date                = $stat->date;
-                        $archiveStat->archive_coupon_id   = $stat->stat_couponId;
-                        $archiveStat->archive_campaign_id = $stat->stat_campId;
-                        $archiveStat->saveOrFail();
+                    ->each(function (Statistique $stat) {
+                        $archiveCampaign = ArchiveCampaign::query()->where('campaign_id', $stat->stat_campId)->first();
+                        $archiveCoupon   = ArchiveCoupon::query()->where('coupon_code', $stat->stat_couponId)->first();
+                        if (!is_null($archiveCampaign) && !is_null($archiveCoupon)) {
+                            $options     = [
+                                ['date', $stat->date],
+                                ['archive_coupon_id', $archiveCoupon->getKey()],
+                                ['archive_campaign_id', $archiveCampaign->getKey()],
+                            ];
+                            $archiveStat = ArchiveStat::query()->where($options)->first();
+                            if (!is_null($archiveStat)) {
+                                $newQuantity           = $archiveStat->quantity + $stat->stat_couponPrinted;
+                                $archiveStat->quantity = $newQuantity;
+                                $archiveStat->saveOrFail();
+                            } else {
+                                $this->createArchiveStat($stat, $archiveCampaign->getKey(), $archiveCoupon->getKey());
+                            }
+                        } else {
+                            $this->createArchiveStat($stat);
+                        }
                     });
-
-                Statistique::query()
-                    ->where('date', '<', now())
-                    ->delete();
+                    Statistique::query()
+                        ->where('date', '<', now())
+                        ->delete();
             });
         } catch (\Exception $e) {
             Log::error(
@@ -64,4 +68,25 @@ class ArchiveStatsJob implements ShouldQueue
             \report($e);
         } //end try
     }
+
+    /**
+     * Create a new archive statistique.
+     *
+     * @param \App\Models\Statistique $stat
+     * @param integer|null            $archiveCampaignKey
+     * @param integer|null            $archiveCouponKey
+     * @return void
+     */
+    private function createArchiveStat(
+        Statistique $stat,
+        ?int $archiveCampaignKey = null,
+        ?int $archiveCouponKey = null
+    ): void {
+        $newArchiveStat = new ArchiveStat();
+        $newArchiveStat->quantity            = $stat->stat_couponPrinted;
+        $newArchiveStat->date                = $stat->date;
+        $newArchiveStat->archive_coupon_id   = $archiveCouponKey ?? $stat->stat_couponId;
+        $newArchiveStat->archive_campaign_id = $archiveCampaignKey ?? $stat->stat_campId;
+        $newArchiveStat->saveOrFail();
+    }
 }
diff --git a/app/Models/ArchiveStat.php b/app/Models/ArchiveStat.php
index 2f6e0ea..169eb71 100644
--- a/app/Models/ArchiveStat.php
+++ b/app/Models/ArchiveStat.php
@@ -28,6 +28,8 @@ class ArchiveStat extends Model
     protected $fillable = [
         'date',
         'quantity',
+        'archive_coupon_id',
+        'archive_campaign_id',
     ];
 
     /**
@@ -38,37 +40,56 @@ class ArchiveStat extends Model
     protected static function booted(): void
     {
         static::creating(function (self $model) {
-            $campaign = Campagne::withTrashed()->where('camp_id', $model->archive_campaign_id)->firstOrFail();
-            $archiveCampaign = ArchiveCampaign::query()->firstOrCreate(
-                [
-                    'campaign_id' => $model->archive_campaign_id
-                ],
-                [
-                    'name' => $campaign->camp_name,
-                    'archive_site_id' => $campaign->camp_siteId,
-                ]
-            );
-            $model->archiveCampaign()->associate($archiveCampaign);
-
-            $coupon = Coupon::withTrashed()->where('coupon_id', $model->archive_coupon_id)->firstOrFail();
-            $archiveCoupon = ArchiveCoupon::query()->firstOrCreate(
-                [
-                    'coupon_code' => $model->archive_coupon_id
-                ],
-                [
-                    'name' => $coupon->coupon_code,
-                ]
-            );
-            $model->archiveCoupon()->associate($archiveCoupon);
-        });
-        static::updating(function () {
-            throw new \RuntimeException('Upating an archived stat is not authorized');
+            $model->archive_campaign_id = static::resolveArchiveCampaignId($model->archive_campaign_id);
+            $model->archive_coupon_id   = static::resolveArchiveCouponId($model->archive_coupon_id);
         });
         static::deleting(function () {
             throw new \RuntimeException('Deleting an archived stat is not authorized');
         });
     }
 
+    // * METHODS
+
+    /**
+     * Get archive campaign key.
+     *
+     * @return integer
+     */
+    protected static function resolveArchiveCampaignId(int $id): int
+    {
+        $archiveCampaign = ArchiveCampaign::query()->find($id);
+        if ($archiveCampaign) {
+            return $archiveCampaign->getKey();
+        }
+
+        $campaign = Campagne::query()->where('camp_id', $id)->firstOrFail();
+
+        return ArchiveCampaign::query()->firstOrCreate(
+            ['campaign_id' => $id],
+            ['name' => $campaign->camp_name, 'archive_site_id' => $campaign->camp_siteId]
+        )->getKey();
+    }
+
+    /**
+     * Get archive coupon key.
+     *
+     * @return integer
+     */
+    protected static function resolveArchiveCouponId(int $id): int
+    {
+        $archiveCoupon = ArchiveCoupon::query()->find($id);
+        if ($archiveCoupon) {
+            return $archiveCoupon->getKey();
+        }
+
+        $coupon = Coupon::withTrashed()->where('coupon_id', $id)->firstOrFail();
+
+        return ArchiveCoupon::query()->firstOrCreate(
+            ['coupon_code' => $id],
+            ['name' => $coupon->coupon_code]
+        )->getKey();
+    }
+
     // * RELATIONS
 
     /**