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.
['2491', 'P', '2095', '4613', '9787', '4807', '6109', 'u', 'M', 'm', 'J', 'O', '9421', 'g', 'D', 'O', '8551', 'x', '2829', 'S', '3093']