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.
['P', 'W', 'I', 'h', 'c', 'a', 'A', 'S', '9901', 'D', '4551', '9001', 'a', 'w', '3407', 'z', '5451', 'H']