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.
['i', '4157', 'G', '1217', '5211', 'i', '1209', '9449', 'j', '2709', '513', '9905', 'Q', 'z', '1397', 'E', '6495', 'r']