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.
['5765', 'i', 'x', 'r', '5003', '3145', '7831', '3321', '357', 'b', 'W', 'k', 'K', '7595', '4467', '227']