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.
['6603', '9217', 'w', 'U', '6543', '43', 'L', 'B', 'J', '929', 'w', '3289', '1935', 'O', '4393', '9649', '5631', 'F']