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.
['8413', 'O', 'T', '7637', 'N', '7351', '1733', '7069', '9219', 'w', 'h', '6767', '3821']