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.
['7037', 'o', '5041', '4123', '3529', '5799', 'u', '6589', '4747', 't', '2931', 'k', 'W', 'w', 'k']