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.
['k', 'b', 'k', 'G', '4139', 'r', 't', 'R', 'h', '3935', 'j', '4975', '7567', '7203', '2307', 'r', '4011', '3059', 'm', 'D', '2999', '6577']