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.
['o', 'X', '2259', 'k', '8721', 'O', 'o', '2593', '1655', 'z', 'H', 'N', 'N', 'F', '5109', '5321', '4351', '3197', 'l', 'A', '4119', '8815']