public static function load_user_list_table_screen_options() {
		add_screen_option( 'per_page', array(
			'label'   => __( 'Subscribers Per Page', 'popup-maker' ),
			'default' => 20,
			'option'  => 'pum_subscribers_per_page',
		) );

		/*
		 * Instantiate the User List Table. Creating an instance here will allow the core WP_List_Table class to automatically
		 * load the table columns in the screen options panel
		 */
		self::list_table();
	}