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.
['21', 'E', '1343', 'I', '321', '5313', 'h', '9579', 'l', '4673', 'w', 'x', 'D', '3771', '7699']