Distinct subjects for predicate rdfs:subPropertyOf sorted by frequency

ResourceCount
<http://semanticweb.cs.vu.nl/observe/crowdedness>3
<http://semanticweb.cs.vu.nl/observe/museums-nearby>3
<http://semanticweb.cs.vu.nl/observe/sunshine>3
<http://semanticweb.cs.vu.nl/observe/temperature>3
location2
attribute1
dimension1
measure1
measure dimension1
slice1