In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['F', '6469', 'D', '4971', '8145', '6531', 'R', '709', 'E', 'x', 'i', 'I', 'L', '3429', '1177', '3989', '4507', '2431', '9233', '6449']