Please calculate the number of orders from customers by country in 1996.
in 1996 refer to YEAR(OrderDate) = 1996; number of order = Count(OrderID)
SELECT COUNT(T2.CustomerID) FROM Customers AS T1 INNER JOIN Orders AS T2 ON T1.CustomerID = T2.CustomerID WHERE STRFTIME('%Y', T2.OrderDate) = '1996' GROUP BY T1.Country