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.
['5055', '7803', 'E', '9023', '3297', 'W', '8817', '5867', 'D', 'D', 'T', '6057', 'T', 'Y', 'l', '4137', 'r', '7215', 'x', 'Y', '7969', '3567', '8307']