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.
['2157', '3477', '1459', '121', 'N', 'W', '8775', '963', '1687', '3891', 'E', 'X', '5563', '51', '9139', 'a', '8601', '6955', 'X', '7655', '9849', 'a', '9187', '8249']