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.
['7521', '9723', '4089', 'e', 'Y', '93', 'q', 'Q', '4059', '3443', '9535', 'u', 'y', '4543', '7967', 's', 'K', '2507', '9471', 'r', '2187']