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', '2559', '5721', 'K', '341', 'l', 'g', '421', 'N', 'P', 'i', 'z', '2753', 'V']