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.
['I', 'H', '527', '25', '2967', 'L', '5033', 'w', 'z', 'c', 'X', 'i', 'u', '133', 'f', 'F', '7187', 'T', '1725', '1143', 'b']