{"code":"47038AA000","name":"Castrillo de Duero","region":null,"population":108,"country":"ESP","currency":"EUR","years":[2025,2026],"history":[{"year":2025,"revenue":243928.05,"expenditure":177049.78,"balance":66878.27},{"year":2026,"revenue":170986.44,"expenditure":170986.44,"balance":0}],"url":"/municipalities/spain/castrillo-de-duero-47038aa000/"}