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.
['z', '8551', '4653', 'l', 'f', '149', '7637', '9661', 'k', 'Z', '8653', '2309', 'R', '2257', '9281', '6767', '1723', 'a', '8857', 'V', 'v', 'x', '5491', 'X', '4761', '2619', 'p', 'L', 'G', 'Q', 'w', '729', '3415', '2841', '5249', '511', '773']