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.
['f', 'l', 'W', 'j', '3991', '3489', '4587', 'b', 'P', 'n', 'Y', 'H', '7029', 'W', 'A', 's', '407', '4293', 'B', '1995', 'z', 'D', '1439', 'g', '2873', '881', '6299', 'J', 'D']