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.
['1875', '3751', '4921', '2139', '4515', 'S', 'm', '7349', 'R', '1375', '6411', 'I', 'b', '3587', 'j']