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.
['U', '6071', 'X', '2887', '6357', '6823', 'h', 'z', 'L', 'R', '8581', '9539', '3987']