query: #defaultView:BubbleChart
  SELECT ?countryLabel (COUNT(DISTINCT ?item) AS ?count)
  WHERE {
    ?item wdt:P31/wdt:P279* wd:Q21480300 ; wdt:P585 ?date ; wdt:P17 ?country .
    FILTER (?date >= "1990-01-01"^^xsd:dateTime) .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" . }
  }
  GROUP BY ?countryLabel
  ORDER BY DESC(?count)