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.
['v', '1433', 's', 'K', '1859', '6419', '559', '5013', '3843', '5481', 'T', '7575', '1437', '7367', '3163', 'S', '7531', 'F', 'Y', '643']