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.
['6437', '1709', '6173', '1319', '5541', 'Q', 'l', '8745', 'R', '4759', 's', 'i', '5519', '943', 'N', '6239', '1711']