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.
['5819', 'c', '3233', 'd', 's', 't', '6171', 'E', 'b', 'D', 'z', 'F', 'G', 'D', '6909', 'W', 'R', 'y', '8845', 'z', 'Z']