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.
['b', 'l', '2015', 'p', 'y', 'g', 'q', '8871', 'I', 'y', 'm', 'C', '4573', '1651', '573', 'y', '8737', 'B', '6491', 'z', 'F', 'a', 'g']