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.
['4183', 'H', '6311', '4439', '7995', 'I', 'H', 'B', '7867', 'z', 'C', '1605', 'P', 'A', '6603', 'X', '6893']