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.
['a', '2977', 'P', '3857', 'q', 'O', '1755', '5207', '1725', '2737', 'h', 'Z']