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.
['8179', 'I', 'a', 'c', 'I', '7571', '847', '2233', 'M', '2539', '567', 'U', 'x', '6723', 'D', 'g']