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.
['8679', '6915', 'd', '6695', '6727', 'N', 'O', 'G', '4257', 'N', '109', '9589', '9789', 'c', '8737', 'L', 'T', 'k', 'T', 'T', 't', 'z', '67', '2345', 'b', 'w', '1643', '8275', '6677']