query: # NGV artworks/ paintings/drawing/print/sculpture by year of inception
  #defaultView:BarChart
  
  SELECT DISTINCT ?year  (COUNT(?artwork) AS ?count) WHERE {
    {?artwork wdt:P31 wd:Q3305213.}    # painting
    UNION
     {?artwork wdt:P31 wd:Q11060274.}  # print
    UNION 
     {?artwork wdt:P31 wd:Q93184.}     # drawing
    UNION 
     {?artwork wdt:P31 wd:Q860861.}    # sculpture
      UNION 
     {?artwork wdt:P31 wd:Q42314818.}  # visual art
     ?artwork wdt:P195 wd:Q1464509.     # Art work is in NGV
     ?artwork wdt:P571 ?date
    BIND(str(YEAR(?date)) AS ?year)           
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  GROUP BY ?year
  