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.
['i', '2059', '3041', '7307', 'm', 'G', '8197', '6597', 'P', 's', '3929', '7975', '6311', 'H', 'U']