query: SELECT ?item ?itemLabel (group_concat(distinct ?year_;separator="; ") as ?year) (count(distinct ?act) as ?count) WHERE {
    ?item p:P31 ?stat . 
    ?stat ps:P31 wd:Q3511132.
    ?stat pq:P642 wd:Q105774620.
    ?act wdt:P179 ?item.
    ?item wdt:P585 ?date.
    bind(year(?date) as ?year_)
    
    SERVICE wikibase:label {    bd:serviceParam wikibase:language "en" .  }
    
  } group by ?item ?itemLabel  order by ?year ?itemLabel