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.
['C', 'X', 'w', '4251', 'i', 'Z', 'L', '815', 's', 'g', '4177', 'K', '2751', '2075', 'a', 'Z', '8133', '2579', 'S', 'w', 'y', '4681', '2937', '497', 'l', '8037']