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.
['7369', '8697', '5769', 's', 'J', '1199', 'X', 'Q', 'W', 'a', 'W', '2309', 'R', 'j', 'n', 'W', 'm', 'I', 'a']