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.
['337', '7165', '2671', '29', 'a', '7439', '2549', 'b', 'F', '4727', 'y', '613', '9397', '8887', '7205', '7897', 'W', '5221', 'M', 'a', '3037', '641', '3013', '3239', '7497', '3719']