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.
['W', 'Q', '2637', '5641', '3681', 'l', 's', '3405', 'r', '7881', '9695', '7437', '443', '7773', '2791', 'm', 'x', 'E', '329']