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.
['3741', '2331', '2681', 'u', 'S', '5703', '3385', 'C', 'l', '6427', 'f', 'a', 'T', 'J', '5309', 'x', '2133', 'U', '571', '4249', '4203']