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.
['7691', 'N', 'O', '5373', 'w', '7419', '2415', 'z', 's', 'K', '2485', '4159']