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.
['4175', 'f', 'R', '1415', 'm', '3899', '7633', '3245', 'z', '3261', 'w', '5573', 'U']