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.
['5755', '9053', '6249', 'S', '8333', '6439', 'i', '3837', '8807', 'j', '4943', 'r', 'H', 'R', '7973', '9023', 'U', 't', 'Q']