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.
['3817', '2165', 'o', 'I', 'P', 'w', '5565', '6523', '7105', 'k', 'I', 'b', '3959', '383', 'Z', 'O', 'Z', 'j', '9575', '6973']