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.
['i', '9941', '4443', 'C', 'P', 'i', 'z', '5183', '4189', 'n', 'A', '7485', 'N', 'C', '8391', 'w', 'Q', '4857', '6379']