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.
['6855', '7635', 'S', '4599', '8635', 'X', '1041', 'z', 'Z', 'W', 'n', '3279', '7871', 't', 'o', '3839', '9689', 'w', '7741', '7425', 'E']