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.
['r', '8727', '2845', '5711', 'l', 'k', '2473', 'Q', '4891', 'p', 'Y', 'v', '5321', '7533', 'f', '6943', 'y']