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.
['n', 'C', 'x', '7605', '4433', 'D', 'j', 'F', '4875', '7999', 'z', '8307', '5657', 'S', '7903', '6773', '7149']