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.
['7805', 'N', 'Z', '1809', 'l', 'w', '2729', '6795', '7261', 'V', '6945', '9655', 'b', '1979', 'i', '4349', 'N', '7021', 'o']