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.
['K', '7073', '2983', 'P', 'i', 'r', '4341', '5709', 'n', '2499', '5631', 'Z', '397', 'Q', 'e', 'n', '3075', '6021', '427', '2319', 'T']