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.
['9879', 'u', 'Y', '8457', 'g', '363', '6485', '7391', 'p', 'V', 'A', 'K', 'Q', '3429', '203', '9191', '5663', 'z']