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.
['5567', '7573', 'F', 'g', 'N', 'Q', 'z', 'W', 'D', '3735', 'n', 'y']