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.
['K', '4533', '671', '2471', '1899', '1069', '8699', '5297', '9155', '3195', '9975', '267', 's', '6137', 'v', '1019', '4567', '8977', 'J', 'N', '7141', '5327', '873', 'Y', 'G', 'z', '3957', '1009', 'B', 'a']