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.
['9967', '4659', '5317', 'M', '5141', '8791', '2803', '3647', '5865', 'b', '749', '2039', 'n', 'g', 'T', 'b', 'f', 'F', 'L', 'k', 'r']