declare @i int
set @i = 16
while @i < 10000
 begin
  insert into Orders (OrderID, OrderDate, DeliveryMethod, DeliveryDate, Amount, CustomerID)
  values (@i, '2019-12-01', 'CarrierA', '2019-12-10', @i, 1)
  set @i = @i + 1
 end;
go