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.
['w', '1721', 'U', '2959', 'p', 'm', '2489', 'D', 'A', '3115', 'Z', 'O', 'C', '255', 'N', 'E', '6275', 'U', 'B', '2099']