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.
['U', '8913', 'U', 'X', '853', '6737', '359', 'V', 'd', 'L', 'J', '7381', '4089', 'C', 'P', '339', '7909', 'D', 'n']