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.
['O', '1821', '6525', 'p', '3223', 'Y', '4689', 'Z', '8553', 'i', 'H', 'u', 'a', '5811']