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.
['81', 'r', 't', '7747', 'O', '5373', '6189', 'i', 'y', 'J', 'b', 'p', '9647', 'J', 'x', 'D', '7091']