<http://schema.org/ratingCount>
"57"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/146558-bluechart-g2-canada-hxca015r-11-50-a-5.html?s=5129018a32d7bc834b078c4a97b32fe3>