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.
['s', 'Z', 'D', 'h', '6313', '1129', 'P', 'p', '7157', '3081', 'N', '2921', 'p', 'S', 'e', 'D', '7683', '7215']