List all payment methods and number of payments using each payment methods.
SELECT payment_method_code ,  count(*) FROM Customer_Payments GROUP BY payment_method_code;
SELECT payment_method_code ,  count(*) FROM Customer_Payments GROUP BY payment_method_code;
[{'payment_method_code': 'Credit Card', 'count(*)': 5}, {'payment_method_code': 'Direct Debit', 'count(*)': 10}]