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.
['7815', 'P', '5299', '3433', 'P', '8091', '3409', 't', 'o', 's', '6899', 'O', '9285', '5777', '627', 'k', '6495', '4859', '8909', '7851', 'y', '351', 'U', 'h', '4303', 'I', '8439', 'g', 't']