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.
['8407', '1211', 'k', 'F', '6225', '1533', '6457', 't', 'z', 'p', '1073', 'r', 'f', '4649', 'p', 'f', 'v', 'M', 'G', 'n', 'y', 'a']