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.
['Z', 'U', '3715', 'f', 'h', 'Y', 'v', 'Q', '25', '2165', '353', 'P', '6571', 'd', '9903', '6911', 'd', 'O', 'D']