query: SELECT ?item ?itemLabel ?emp ?empLabel ?empStatement ?count WHERE {
    {
      SELECT ?item ?emp ?empStatement (COUNT(DISTINCT ?startTime) AS ?count) WHERE {
         ?item wdt:P496 ?ORCID ;
          p:P108 ?empStatement .
    ?empStatement ps:P108 ?emp ;
                  pq:P580 ?startTime . 
      } GROUP BY ?empStatement ?item ?emp
      HAVING (?count > 1)
    } . 
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
    }
  }
  ORDER BY DESC(?count) ?emp