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.
['W', 'N', '2637', 'l', 'b', '3423', '3045', '9719', '2057', '8219', 'Q', 't', 'I', 't', '185', '4711', '3787', '3781', '4895']