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.
['3689', 'D', '4373', '5835', '8073', '2415', 'g', 'K', 'J', '6801', 'P', 'a', 'C', 'f', 'd', 'v', 'H', '2405']