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.
['6251', 'R', 'i', '8955', '7825', 'D', 'S', 'p', 'y', '4689', 'g', '7081', 'D', '7449', '5865', '7633', 'w', '8179', '5199', '745', '2881']