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.
['7815', '7037', 'U', '7205', '8809', 'R', 'r', '9711', '5681', 'o', '7467', '8489']