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.
['463', '9339', '4815', 'C', 'b', '25', 'b', 'O', 'E', '7073', '5775', '6511', '7451', 'o', '8885', '1477', '1069', '6831']