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.
['6427', '7989', '1675', 'D', 'p', '8395', '9013', 'y', '4391', 'k', '9439', '3077', 'g']