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.
['6957', 'h', '2531', '9747', '5571', '3015', 'n', '3241', '7439', '1755', '9099', 'o', '3741', 'n', 'x', 'D', '9987', 'R', '1833', '1567', 'm', '6067']