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.
['s', 'u', '4595', '4385', 'Z', 'P', 'C', 'R', 'a', 'J', '7415', '6325', '7311', '8123', '4815', 'h', 'N', 's', '1255']