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.
['3567', '9635', 'D', 'j', '9973', 'C', 'a', '7911', 'F', '8735', '5265', '305', 'O', 'I', '4617', 'V', '3439', '5023', 'L', 'R', '3087', '2553', '5509', 'n', 'O']