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', 'I', 'n', '8929', 'C', 'K', 'h', 'R', '7787', '5517', '8737', 'L', '3685', 'm', '1711', 'j', '9557']