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.
['4725', 'D', '2303', 'U', '6139', 'r', 'W', 'l', '3817', '8255', 'D', 'H', '7909', '221', '5929', 'e', '651', '391', '7681', 'X', 'y', '709', 'U', '355', 'P', '6249', '3669', '7841', 'i', 'g']