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.
['4953', '8935', '8391', 'q', '5037', 'k', '6213', '3127', 'B', 'v', '5281', 'b', 'z']