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.
['4855', '5287', 'p', 'y', 'R', 'w', 'o', 'G', 'D', 'G', '5029', '1979', 'n', 'm', '4025', 'n', 'i', 'U', 't', '9373', '2197', '1535', '2925', 't']