Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE Documents_with_expenses (budget_type_code VARCHAR)
### Question:
Show budget type codes and the number of documents in each budget type.
### Answer:
SELECT budget_type_code, COUNT(*) FROM Documents_with_expenses GROUP BY budget_type_code