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.
['n', '7765', '7171', '5517', 'L', '4447', 'x', '7721', '5635', '8845', 'c', 'L', '399', '8877', 'S', 'i']