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.
['G', '4091', '7527', 'o', 'I', '155', '8243', '7461', '5329', '2441', '6221', 'u', '7121', 'W']