Show the employee ids and the number of documents destroyed by each employee.
SELECT Destroyed_by_Employee_ID ,  count(*) FROM Documents_to_be_destroyed GROUP BY Destroyed_by_Employee_ID
SELECT Destroyed_by_Employee_ID ,  count(*) FROM Documents_to_be_destroyed GROUP BY Destroyed_by_Employee_ID
[{'Destroyed_by_Employee_ID': 38, 'count(*)': 1}, {'Destroyed_by_Employee_ID': 55, 'count(*)': 1}, {'Destroyed_by_Employee_ID': 99, 'count(*)': 2}, {'Destroyed_by_Employee_ID': 136, 'count(*)': 2}, {'Destroyed_by_Employee_ID': 138, 'count(*)': 1}, {'Destroyed_by_Employee_ID': 156, 'count(*)': 1}, {'Destroyed_by_Employee_ID': 173, 'count(*)': 3}]