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.
['6657', 'R', 'J', '2175', '8971', '6125', 'S', '8759', 'B', '2199', 'F', 'R', '1663', '8563', '3709', 'l', 'W', '1863', 'J', 'w']