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.
['6737', '5825', 'b', 'H', '1557', '7051', '4311', '6271', '4573', 'S', 'n', '6361', 'T', '5219', 'i', 'U', '2335', '443', '7875', 'o', '8581', '1163']