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.
['6077', '129', 'V', 'w', 'M', '1633', 'y', 'r', 's', 'z', '4889', 'S', '6149', 'E', '8337', 'M', '5327', 'W', 'r', 'E', '5073', 'u']