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.
['67', 'v', '7935', '1149', 'N', '2971', '69', '2727', '4487', '8431', 'B', '8697', '7723', '3477', 's', '3763', 'A', '1255', '3121', 'E', '1997', '1457']