/**
  * Get the subscriber counts by plan.
  *
  * @return Response
  */
 public function subscribers()
 {
     $plans = [];
     foreach (Spark::allPlans() as $plan) {
         $plans[] = ['name' => $plan->name, 'interval' => $plan->interval, 'count' => $this->indicators->subscribers($plan), 'trialing' => $this->indicators->trialing($plan)];
     }
     return collect($plans)->sortByDesc('count')->values()->all();
 }