query: embed.html##defaultView:BubbleChart
  select ?positionHeldLabel (count(?subj) as ?nr) 
  {
     {?subj wdt:P3217 ?SBLID} # Beskrivna i SBL
      {?subj wdt:P39 ?positionHeld}
      SERVICE wikibase:label { bd:serviceParam wikibase:language "en","sv","no","da","de","pl"}
   }
  Group by ?positionHeldLabel