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.
['L', 'I', '149', 'B', 'L', '5127', '3189', 'L', '1715', 'G', '191', '6257', '927', 'K', '9417', 'R', '5023', '2133', '6955']