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.
['s', 'R', '4091', '1665', '4833', 'i', '4349', 'b', '2639', '3267', '4511', '6803']