query: SELECT DISTINCT ?item ?year ?st ?sl
  WHERE
  {
  	?item wdt:P641 wd:Q847 . 
      FILTER NOT EXISTS { ?item wdt:P31 [] } 
      FILTER NOT EXISTS { ?item wdt:P361 [] } 
      FILTER NOT EXISTS { ?item wdt:P279 [] } 
      FILTER NOT EXISTS { ?item wdt:P3450 [] } 
      FILTER NOT EXISTS { ?item wdt:P1269 [] } 
      FILTER NOT EXISTS { ?item wdt:P179 [] }   
      FILTER NOT EXISTS { ?item wikibase:statements 1 } 
      ?item wikibase:statements ?st ; wikibase:statements ?sl ; rdfs:label ?l
      BIND(xsd:integer(REPLACE(str(?l),"^.*((20[01]