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.
['6521', '8957', 'B', 'T', '3933', '5409', 'I', '6465', 'f', 'k', 'Z', 'T', '6701', '5637', 'B', 'q', 'a', 'B']