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.
['y', '9663', '6965', '781', '4981', 'S', '8897', '9231', '8363', '6969', 'i', 'K', 'D', 'z', '1889', '1381', 'b', '5307', '5343', '1343', '339', '2513']