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.
['1789', '6659', 'c', '7707', '9945', 'o', 's', 'R', 'm', 'V', '87', '2561', '3411', 'D', '7577', 'B', '4567', '5035', 'u', '8513', '6207', '9773']