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.
['5141', '5081', '6013', 'K', '7509', '6687', 'N', 'l', 'X', '2931', 'u', '4853', 'K', 'q', '8725', '401', 'H', '6885', '7821', 'D']