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.
['2355', '5211', 'A', '2763', 'O', 'N', 'O', 'Z', 'T', '3337', 'n', '4373', 'r', '8633', 'E', '2985', '6539', '3725', 'm', 'N', 'k', '5435', 'Q', '4373']