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.
['9239', 'l', '9367', '627', '4671', '25', '9455', 's', 'C', '8621', '3925', 'S', 'r', 'X', 'R', '3485', '4351', '3569', '7735', 's', 'V', 'I', 'u', '9173', 'z', '2093', '8951', 'C', '5217', '2821']