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.
['6133', '7217', 'u', '6953', '9005', '4871', 'C', '5545', 'S', '5819', 'y', 'V', 'f', 'Q', 'D', '6855', '9977', '6647', '9771']