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.
['7893', 'n', '2141', 'V', 'r', '5915', 'M', 'o', 'N', 'Z', '1435', '2677', '9959', 'R', '6399', 'n', '4067', '575', 'F', 'i', '7529', 'd', '7615']