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.
['6263', 'H', 'D', '5637', 'Z', '4955', 'o', 'U', 'K', '6027', '2725', '6981', '2013', '9701', '6359', 'a', '9325', '4603', 'L']