query: select distinct ?quality ?qualityLabel (count(?item) as ?count) where
  {
    ?item p:P2002 ?accountStatement . 
    ?accountStatement ps:P2002 ?account .
    ?accountStatement pq:P1552 ?quality .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
    } group by ?quality ?qualityLabel
  order by desc(?count)