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.
['277', '53', 'b', 'R', '7077', 'h', 'D', 'd', 'F', 'e', 'J', '9473', '735', '4083', 'x', 'C', '6697', 'a', 'i']