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.
['8643', 'r', 'v', '4239', '1461', 'y', 'C', 'y', 'q', 'b', '5223', 'c', 'H', 'A', '3187', 'I']