query: /embed.html#SELECT 
    ?lang ?langitem ?langitemLabel ?onseries
    (COUNT(?l) as ?count)
    (SAMPLE(?l) as ?sample_l)
    (SUM(?diff_ot) as ?not_ot) ( ROUND( ?not_ot / ?count * 100 ) as ?per_cent)
    (SAMPLE(?item) as ?sample_item)
  WHERE
  {
    BIND( wd:Q2632294 as ?series) 
    ?item wdt:P179 ?series .
    hint:Prior hint:rangeSafe true .
    ?item wdt:P31 wd:Q21191270 .
    ?item rdfs:label ?l . 
    BIND( lang(?l) as ?lang) 
    # OPTIONAL { 
    ?langitem wdt:P424 ?lang ; wdt:P305 [] #  }
    OPTIONAL { ?series p:P407 [ ps:P407 ?langitem ; pq:P518 wd:Q59180636 ] . BIND("y" as ?onseries) }
    OPTIONAL { ?series wdt:P364 ?langitem . BIND("OL" as ?onseries) }
    OPTIONAL { ?item wdt:P1476 ?ot  }
    BIND( IF( lcase(str(?l)) = lcase(str(?ot)),0,1) as ?diff_ot)  
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  GROUP BY ?lang ?langitem ?langitemLabel ?onseries
  ORDER BY  DESC(?onseries = "OL") DESC(?not_ot) DESC(?count)