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.
['739', 'Y', 'd', '8349', 'o', 'N', 'g', 'c', 'W', '8833', '7137', 'e', '9973', 'I', '87', 'l', '8173', 'S', 'R', '8587', '7791']