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.
['4221', '2087', '8995', '1325', '5657', 'z', '1463', '4655', '2979', '6623', '95', 'm', '7785', 'J', '53', 'I', '7839', '7109', 'Z', '9475', '3649', '5877', 'q', 'n', 'W', 'z', '7933', '1919', '3771']