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.
['R', 'R', 'w', '4363', '1399', 'k', '5505', 'u', '2079', '6565', 'W', '6125', 'z', '9379', 'k', 'X', '8011']