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.
['w', '7129', '935', '6313', 'z', '5005', 'K', '6021', 'j', '7781', 'B', 'J', '409', '5387']