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.
['K', '5455', '5595', 'i', 'Y', 'Z', 'I', 'f', 'J', 'Q', 'S', '6843', '9211', '2833', 'E', '1125', '3469', 'k', '2311', '755']