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.
['4227', 'F', 'b', 'Q', 'D', 'B', 'Q', 'e', 'c', '4337', 'm', '2863', 'U', 'F', 'f', 'Y', 'I', 'i', '9521']