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.
['181', 'T', '5501', 'b', 'w', 'q', '535', '4049', 'v', 's', 'I', '3993', 'U', 'D', '4557', '4613', 'D', 'A', 'h', 'd', '7137']