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.
['717', '4493', 'r', 'i', '3127', '5795', '6087', '905', 'k', '6113', '9371', '8513', '2373', '7905', 'n', '8323', 'h', '7947', '1783', '3151', '1079', 'o']