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.
['Z', '9425', 'N', 't', '2565', 'D', '8037', 'G', '2259', '6911', 'O', '7403', 'T', 'I', 'k', '9051', 'j', 'F', '9123', '5315', 'i', 'a', '6825']