private static function get_post_type_counts() {

		$data = array();

		$posts = array(
			'course',
			'section',
			'lesson',
			'llms_quiz',
			'llms_question',
			'llms_review',

			'llms_membership',

			'llms_access_plan',
			'llms_coupon',
			'llms_voucher',

			'llms_engagement',
			'llms_achievement',
			'llms_certificate',
			'llms_email',
		);

		foreach ( $posts as $post_type ) {
			$count = wp_count_posts( $post_type );
			$data[ str_replace( 'llms_', '', $post_type ) ] = absint( $count->publish );
		}

		return $data;

	}