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.
['291', 'q', '1249', '2441', 'c', 'f', '4237', 'I', '1459', '5025', '4857', 'a', 'a', 'v', 'Q', '7489', '7645', 'U', 'Q', '149']