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.
['P', '4291', 'O', 'C', '6873', 'B', 'n', 'z', '249', '7741', 'V', '9189', 'e', 'Q', '6433', '8911', '3481', 'L', '5921', 'R', 'f', 'J', 'a', '3093', '7705', 'S', '8543', '6523', '2493', 'W']