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.
['p', '5031', 'K', '881', '2615', '5445', '4877', 'b', 'i', 'K', 'F', 'S', '6917', 'l', 'R', '4217', 'Z']