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.
['i', 'N', '8621', '9413', '3239', '2307', '3521', 'D', '8465', 'K', '9183', '7621', 'u', 'a', '8555', 'c', '795', '405', '3745', 'u', '5497', '2651', 'D', 'V', 'L', '2537', '7301', '2319', 'l', '9401', '6971', '4539', 'i', 'N', 'b']