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.
['I', 'e', '6831', '5859', 'B', 'P', '8963', 'e', 'l', 'R', '8827', '3689', '5835']