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.
['k', 'l', 's', '7435', '831', 'K', '7881', 'u', '4263', '705', 'L', 'B', '7073', 'G', 'k', 'D']