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.
['9321', '2993', 'w', 'S', 'O', '713', '1737', 'D', '137', '2617', '1479', '6473', 'o', '2443', 'v', 't', '243', 'r', '1601', 'k', '8619', '6811', 'A', '2515', 'm', '2689', '7107', 'U', 'd', 'U']