query: SELECT ?item ?revenue ?hq ?date ?profit (ROUND(?profmar*1000)/1000 AS ?profmar_rounded)
  WHERE
  {
      ?item wdt:P31 wd:Q4830453 .
      ?item wdt:P159 ?hq . 
      ?hq wdt:P17 wd:Q213 .
      ?item p:P2139 ?revenueSt .
      ?revenueSt a wikibase:BestRank; ps:P2139 ?revenue .
      OPTIONAL { ?revenueSt pq:P585 ?date } .
      ?item p:P2295 ?profSt .
      ?profSt a wikibase:BestRank; ps:P2295 ?profit .
      BIND(?revenue / ?profit AS ?profmar) .
      FILTER(?profmar>0)
      FILTER( ?item not in (wd:Q100707321,wd:Q12021780))
  }
  ORDER BY ASC(?profmar)
  LIMIT 20