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.
['X', 'f', '5399', '6463', '7801', '4313', 'k', 'E', 'C', '1889', 'z', 'A', 'x', 'n', '6537', '8479', 'c', '483', 'S', 'B', 'D']