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.
['6555', '25', '3163', 'G', '8299', 'b', 'y', '3403', 'D', 'K', 'j', 'R']