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.
['6735', '719', 'K', '6423', 'a', '145', 'x', 'Q', '7393', 'z', 'i', '6125', '29', '6937', '695', 'G', 'r', '4969', '3963', 'O', '6743', '4543', 'h', '7349', '4065', 'x', '9823', '2737', 'I', '5001', '653', 'M', 'I']