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.
['K', 'g', 'x', '2001', 'Z', 'g', '3011', '9387', 'X', '9637', '2055', '5155', 'V', 'Q', '3767', 'a']