query: # Ratio of famous people’s deaths against all deaths since 2000.
  # A person is (somewhat arbitrarily) considered to be famous if they have 25 or more sitelinks.
  #defaultView:LineChart
  SELECT
  (STR(?year) AS ?year_) # STR(): work around T150515
  # uncomment the below three lines for a more useful Table view
  #(SUM(?famous) AS ?famousCount)
  #(COUNT(person) AS ?totalCount)
  #(?famousCount/?totalCount AS ?ratio)
  # this line compresses the above three lines into one because otherwise the Line Chart would display ?famousCount whereas we want ?ratio
  (SUM(?famous)/COUNT(?person) AS ?ratio)
  WHERE {
    ?person wdt:P31 wd:Q5;
            wdt:P570 ?died;
            wikibase:sitelinks ?sitelinks.
    FILTER(?died >= "2000-01-01"^^xsd:dateTime).
    BIND(YEAR(?died) AS ?year).
    BIND(IF(?sitelinks >= 25, 1, 0) AS ?famous).
  }
  GROUP BY ?year
  ORDER BY ?year