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.
['Y', 'X', 'D', 'o', 'n', 'l', '6371', 'b', 'A', '9231', '8721', 'z', 'i', 'd']