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.
['G', '1515', 'w', 'Y', 'U', 'C', '9903', '3879', 'U', '4777', 'z', 'o', 'q']