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.
['7981', '6133', 'p', '2019', '9833', 'o', 'U', '4373', '6899', '5203', '3857', '4687', '2765', '9243', '3103', '2195', '5383', 'K', '6583', 'o']