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.
['7739', '3757', 'I', '7323', '2039', 'A', 'N', 'q', 'j', 'o', 'T', '973', '7297', 'k', 'I', 'm']