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.
['3137', 'b', '551', 'a', '6941', 'j', 'q', '2993', '3179', 't', 'n', 'Q', 'Z']