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.
['d', 'P', 'U', '3997', '657', 'Q', 'K', '4009', '1697', '133', '4057', 's', '3819', '3467', 's', '1705', 'M', 'l', '5601']