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.
['7967', '4893', '1855', 'i', 'R', '4131', 'd', '1589', 'e', 'D', 'R', '8327', '7369', 'X', '2539', 's', 'U', 'o', 'f']