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.
['4809', 'b', 'M', 'z', '7691', '6751', 'i', 'i', '8289', '5357', '6429', 'F', '285', 'c', '8401', '8253', 'P', 'Y']