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.
['6405', 'W', '3833', '3105', '8689', 'c', '1843', 't', 'z', 'o', '6043', '2231', '5561', 'm']