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.
['W', 'W', '3029', '131', '4203', 'D', '4601', '2543', '3115', '5703', '2561', 'n', '5809', 'e', 'x', '1275', '9427', 'a', 'E', '2857', 'T', '1817', 's', 'V', 'g', '8377']