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.
['5309', '1399', 'j', 'g', '6143', '3049', '807', 'r', '1569', '8219', 'J', '3025', '3125', '4123', '9379', 'L', '6771', 'i', '1147', 'm', '4369', 'q', '6547', 'k', 'R', '1115', '6459', 'a']