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.
['z', '8615', '1961', 'U', '7085', 'v', 'U', '7179', 'g', 'i', '8111', 'z', '1837', 'F', '3613', 'd', 'R', '5093', '4461', 'r', 'b']