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.
['6847', '9819', 'P', '9575', '4549', 'K', '3349', 'n', 'U', '1699', '6737', 'g', 'x', '7305', '1913', '5971']