/**
  * Insert results in column wp list table
  *
  * @since 1.0
  * @param Null
  * @return Mixed String/Integer
  */
 public function column_default($items, $column)
 {
     $column = strtolower($column);
     switch ($column) {
         case 'title':
             return Sharing_Report_View::add_permalink_title($items->post_id, $items->post_title);
             break;
         case 'facebook':
         case 'twitter':
         case 'google':
         case 'linkedin':
         case 'pinterest':
         case 'total':
             return Utils_Helper::number_format($items->{$column});
             break;
     }
 }