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.
['8839', 'P', 'Q', 't', 'R', 'f', 'i', '3299', '2553', 'b', 'D', '7873', 'k', 'c', '6011', 'X']