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.
['L', 'O', 'r', 'x', '5037', '3101', '129', '6777', '9013', '7785', 'L', 'P', '1989', 'k', 'H', '6283']