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.
['y', '3021', 'C', '1315', 'k', '9471', '9557', '9181', '9337', '5025', 'E', '8641', 'I', 'L', '7893', 'g', '8557']