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.
['V', 'r', 'M', 'Q', 'R', '4503', '8909', 'T', 'W', 'w', 'b', '3075', 'M', 's', 'D', '2813', 'U', 'P', '2429', 'H', '2149', '3337', '51', 'o']