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.
['713', '2829', 'u', 'I', 'S', '8599', '5547', 'E', '5891', 'u', '9481', '9537', 'S', '1879']