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.
['8187', '6039', 'T', 'Y', 'a', 'D', '99', '8809', '9703', 'k', '3593', 'l', 'a', 'A', 'c', '5881', '5651', '8043', 'z', 'n', '773']