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.
['W', 'e', '3645', 'r', 'y', 'N', 'S', '2451', 'L', '1939', 'D', 'O', '6161', 'e', 'Y', 'z', 'S', '5215', '5191', 'H']