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.
['1609', 'L', 'b', 'R', 'O', 'o', 'a', '9903', 'n', 'O', 't', '5399', '8111', 'B', 'm', '6307', 'L', '7319', '8991', 'g', 'm']