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.
['u', 'S', '3169', '2211', '3647', '4061', '7761', 'S', '7475', 'r', '389', 'r', 'A', 'c', 'Z', 'L', '7405', '7075', '5573', '8967', '5017', 'A', 'r', 'a', '1951', 'U', 'u']