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.
['1539', 'h', 'n', 'W', '8431', 'Z', '4827', '6189', 'G', '1729', '8865', '5601', 'e', '6569', 'x', 'D', '7219', '6175', '3773', '6913', '8713']