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.
['5259', 'b', 'C', 'y', '1333', 'g', 'B', 'M', '8087', 'w', 's', '4927']