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', 'i', '8439', '8535', 'f', 'U', '2813', '7151', 'z', '7659', '1683', 'B', 'C', 'V']