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.
['6709', '6327', '1801', '2011', '5141', 'W', 'W', 'k', '6727', 'S', '9835', '2317', '6865', '8223', 'z', 'A', 'Z', '5293', 'E', '4899', 'H', '999', '4153', '7805']