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.

['4617', '1767', '3861', '7755', '6215', '6625', 'Q', 'G', 'C', '903', '2181', 'K', '6779', 't', 'k', 'b', '1675', '1721', '2899', '5505', '2567', '8807']
15