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.
['2307', '3949', '2489', '8299', 'S', '5833', '3933', '8973', '25', 'k', 'n', 'k', 'B']