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', 'g', 'I', '507', '5145', '5485', 'j', 'H', 'g', '4385', '6229', '97', 's', '1973', 'L', 'Q', 'T', 'k', '8445', '8019', '2803']