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.
['4471', '7409', 'a', '3631', 'z', 'g', 'c', '6719', '9745', 'P', '8715', 'e', '7755', 'Z', '7105', 'p', '9661', '8187', '5717', 'w', 'W', '9237']