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.
['w', '8617', 'f', 'h', '1797', '9015', '8307', '9401', '9463', 'F', 'n', 'n', '6997']