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.
['G', 'E', '8913', '9573', 'E', 'E', '1571', 'i', '2969', 'U', '6843', 'p', 'm', 'L', 'B', 'P', 'R', '7983', '9837', '2421']