query: #counting u0ploaded Nuytsia articles
  SELECT ?volume (COUNT(DISTINCT ?item) AS ?count) WHERE {
    ?item wdt:P478 ?volume.      # define the volume
    ?item wdt:P31 wd:Q13442814.  # scholarly article
    ?item wdt:P1433 wd:Q2005798. # in Nuytsia 
      
         SERVICE wikibase:label {
          bd:serviceParam wikibase:language "en" .}
  
    } 
  GROUP BY ?volume
  ORDER BY ASC (?volume)
  
  