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.
['9869', 'V', 's', 'R', 'P', '241', 'Q', '3823', 'W', 'X', 'b', '1721', 'B', 'G', 'z', '5373']