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.
['K', '6967', 'U', '4615', 'S', 'w', '5789', '8815', '1065', 'L', '3437', '6365']