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.
['f', 'K', '6951', 'o', '9553', 'g', '6397', '9635', '7041', '9781', '5435', '4449', '127', '5225', '1097', '2711', 'N', 'a']