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.
['2919', 'D', 'n', '7635', '1015', 'r', '9663', '4497', '3727', '8671', 'l', 'f', 'P', 'D', 's', 's', '2667', 'P', 'J', '8709', 'w', 'c']