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.
['2781', '2645', '9681', 'D', '4659', '9405', 'X', 'n', '5197', 'u', 'Y', 'A', 't', 'v', 'l', 'i', 'k', '8315', '6057', 'v']