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', 'Y', 'T', '4429', 'O', '9251', '5843', '3037', '4457', '7161', 'N', 'W', 'V', '4575', '4453', '3539', '8369']