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.
['X', 'I', 'z', 'K', '3545', 'O', 'S', 'I', 'E', '4427', '8061', '9161', '3345', 'G', 'G', '7665', 'O', '8517', 'c']