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.
['3707', 'I', '1707', '2319', '8233', '2983', '285', '5001', '1417', 'k', '7667', 'W', 'Y', 'C', '1563', 'n', 'L', 'w', '2641', 'C', '2257']