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.
['Z', 'Q', '9653', '8145', 'w', '4871', 'U', 'N', '415', 'O', '259', '5731', '79', 'D', 'r', '9537', '3145', '6447', '4257', 'B', '7363', 'N', '6543', '3023', 'J', '3891']