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.
['3151', 'I', '4449', 'O', 'd', '3755', '6699', '8205', '5527', '7569', 'r', 'O', '7373', '711', '3695', 'e', 'W', 'a']