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.
['w', 'd', '243', 'y', 'G', '7997', 'D', 'N', 'y', '2811', 'M', '9433', '9987', 'C', 'O', 'T', 'T', '2715', 'b']