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.
['9215', 'e', '4387', 'X', '3977', 'y', 'D', '7899', '8807', 'w', 'N', 'G', 'u', 'u', '1569', 'R', '8021', '3563', 'r', '2863', '5625', 'K']