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.
['8527', 'p', 'J', 'm', 'U', 'T', '2733', '2263', '3259', '599', '5949', 'l', 'T', 'b', 'K', '621', '4677', '1955']