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.
['y', 'L', '2427', 'y', 'd', '8431', '725', 'h', '7023', 'f', '7837', 'A', '9723', '2051', 'R', '4079', '8903', '7455', '1537']