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.
['P', 'e', 'R', '1587', 'I', 'M', '9479', '4851', '5973', '1131', 'W', 'k', '775', '8093', '8781']