{
function countByNationality(a, e) {
if (!a[e.Nationality]) {
a[e.Nationality] = {artworks: 0, artists: 0}
}
a[e.Nationality].artworks += e.numSculptures;
a[e.Nationality].artists += 1;
return a;
}
return formattedData.reduce(countByNationality, {})
}