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.
['3543', '7643', '1471', 'j', '4171', 'N', '6339', 'h', 'N', '7459', 'm', '9079', 'C', 'l', 'L', 'w', '805', 'a', '9291', '6797']