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.
['3737', 'S', '233', 'f', 'n', '9595', 'r', '9057', '2243', '465', '437', '9825', 'Y', 'l', '2809', '5973', 'z', '325', '7391', 'a']