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.
['4031', '4639', 'z', 'p', 'V', 'I', '8725', 'g', 'c', '8739', '3365', '135', '9', 'W', 'n', 'g', 'U', 'X', '8847', 'f', '2895', 'a', '8693', '2977', 'c', 'H', 'n', 'a', '5485', '8839']