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.
['b', 'W', 'J', 'h', '9331', '2833', '5527', '3217', '1975', '1781', '6781', 'W', 'A', '1621', '4421']