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.
['R', '129', 'N', 'M', '917', 'c', '1089', '1395', '4897', 'F', 'C', 'b', '691', 'M', 'v', '1977', 'm', '7777', '3481', 's', 'z', '7957', 'B', '8167', 's']