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.
['e', 't', 'p', '9487', '7401', '5311', 'X', 'H', '2575', '5489', '9515', '2821', '3423', '4791', '431', 'R', 'O', 'z', '1203']