query: PREFIX wd: <http://www.wikidata.org/entity/>
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX wikibase: <http://wikiba.se/ontology#>
  #by Jura1, 2016-01-26
  
  SELECT ?occup ?occupLabel ?count
  {
  	{
      SELECT ?occup (COUNT(?person) as ?count)
  	{
  		?person wdt:P106 ?occup.
  		?person wdt:P21 wd:Q6581097
      	OPTIONAL { ?occup wdt:P3321 ?flabel . BIND(lang(?flabel) as ?lang) . FILTER(?lang="en")} . FILTER(!BOUND(?lang))
          ?person wdt:P31 wd:Q5
  	}
  	GROUP BY ?occup 
  	ORDER BY DESC(?count)
  	LIMIT 100
      }
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en,en" } 
  }
  ORDER BY DESC(?count)
  