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.
['29', 't', '2017', '5591', 'P', '6693', '5317', 'q', '8999', '1707', '1895', 'k', '8655', 'U', 'T', '2697', 'B', 'k', '2657', '2751', '8751', 'w', '6929']