Wikidata query that returns country coordinates

CountryCoodrinates

SELECT ?code ?countryLabel ?coordinates WHERE
{
  ?country wdt:P31 wd:Q3624078 ;
           p:P625 ?location .
  #not a former country
  FILTER NOT EXISTS {?country wdt:P31 wd:Q3024240}
  #and no an ancient civilisation (needed to exclude ancient Egypt)
  FILTER NOT EXISTS {?country wdt:P31 wd:Q28171280}
  
  # This doesn't bring all countries. It misses Armenia for example.
  #?country wdt:P31 wd:Q6256 ;
  #         p:P625 ?location .
  
  ?country wdt:P298  ?code .
  
  BIND (
    CONCAT(
      IF(?latitude < 0, CONCAT(STR(-ROUND(?latitude*100)/100),"S "), CONCAT(STR(ROUND(?latitude*100)/100),"N ")),
      IF(?longitude < 0, CONCAT(STR(-ROUND(?longitude*100)/100),"E"), CONCAT(STR(ROUND(?longitude*100)/100),"W"))
      )   AS ?coordinates)
  
  ?location psv:P625 ?coordinate_node .
  ?coordinate_node wikibase:geoLatitude ?latitude .
  ?coordinate_node wikibase:geoLongitude ?longitude .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}