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.
['p', 'C', '8599', 'U', 'p', 'M', '8501', 'W', 'X', 'Z', 'W', '6217', '8921', 'k', '1419', 'u', 't', 't']