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.
['6779', '1959', 't', '4689', '8465', '2013', '7997', 'i', '6437', '5783', '4385', 'k', '3231', '433', '8355', 'Y', 'q', 'a', 'c', '7215', 'P', '2533', '4819', 't', 'z', 'S']