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.
['2017', '3975', '4023', 'G', '5219', '5615', 'Y', 'D', 'k', 'E', '4139', '5631', 'z', 'X', 'J', 'M', 'X', 'w', 'V', 'O', 'E', '6613', '559', '2921', 'T', 'z', '5085', '6761', '5417', 'q', '637', 'f']