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.
['2217', '4347', '5025', 'u', '4209', 'O', '5101', 'Z', '3915', '7415', '923', 'J', 'D', 'r', 'V', '7191', '3551', 'A', 't', 'b', 'N', 't', '1793', 'K', '4937', '6457', '2001', 'u', '2545', 'K']