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.
['6329', '8293', 'X', 'a', '919', '791', '2213', 'D', 'S', 'N', 'n', '693', '5667', '2915', 'W', 'o', '8735', '9393', 'k', '9305']