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.
['2557', '5515', 'x', '2191', '2515', 's', 'i', 'L', 'z', '8293', 'a', '2291', '4651', 'r', 'l', '8379', 'S', 'W', '6665', '9043', '6193', '8991', '3601', '7453', 'K', '7453', '1249', '8691', '9291', 'A', 'f', 'w', 'Q', 'X', 'B', 'z', '2605', 'i', '3991', 'k']