query-87c38b62beae1cc830eba627202d52cc

TODO

Use at

https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
#defaultView:LineChart
SELECT ?year (COUNT(*) AS ?count) {
  ?item wdt:P31 wd:Q5916; wdt:P619 ?date .
  BIND( STR( YEAR( ?date ) ) AS ?year ) .
} GROUP BY ?year

Query found at

https://www.wikidata.org/wiki/Wikidata:Request_a_query/Archive/2017/10

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?count") v2("?date") v1("?item") v3("?year"):::projected c2(["wd:Q5916"]):::iri v1 --"wdt:P31"--> c2 v1 --"wdt:P619"--> v2 bind0[/"str(year-from-dateTime(?date))"/] v2 --o bind0 bind0 --as--o v3 bind2[/"count(*)"/] bind2 --as--o v4