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.
['4273', '197', '4425', 'O', 't', '439', '4405', 'O', '6939', 't', 'Z', 'O', '765', 'W', '2383']