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.
['7241', '7335', 'X', '8987', 'S', 'O', '7055', 'E', '3157', '5011', 'x', '9939', '5917', '4635', 'o', 'G', '3829']