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.
['5549', '5341', 'O', 'v', '231', 'j', '5073', 'y', 'k', '6939', '773', 'o', '3533', 'H', 'a', 'Y', 'n', 'K', 'd', '4805', '7415', 'e', '6321', 'k', 'N']