AggregateRating

Aggregated rating of an item.
 * itemReviewed The item that is being reviewed/rated.
 * ratingCount Number 	The count of total number of ratings.
 * reviewCount Number 	The count of total number of reviews.

Example
Usually the ratingValue and reviewCount are computed by the rating system used by the page. The container with  is for illustrative purpose -- it should render, for example, a  5-star rating system.